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practice questions for the new gre

10 ACT Practice Tests 2nd Edition Steven Dulan - Solutions

Which of the following alternatives to the underlined portion would NOT be acceptable?A. Much interest in non-scientific areas.B. Great interest in subjects other than chemistry, his main area of study.C. Interesting literature, poetry, and social issues.D. A healthy interest in other areas, such
Which choice provides the most detailed image?F. NO CHANGEG. His, will heH. His will he,J. His will, he
Which choice provides the most detailed image?A. NO CHANGEB. Establish one annual prizeC. A prized establishmentD. Established prizes
Which choice provides the most detailed image?F. NO CHANGEG. Nobels dateH. Nobels’ dateJ. Nobel’s dates
Which choice provides the most detailed image?A. NO CHANGEB. Everywhere, worldwide.C. All over the world.D. OMIT the underlined portion.
Which choice provides the most detailed image?F. NO CHANGEG. A variety of manyH. ManyJ. Many series of
Which choice provides the most detailed image?A. NO CHANGEB. Building onC. BuiltD. Built on
Which choice provides the most detailed image?F. NO CHANGEG. TreedH. WoodsyJ. Wooded
The writer wishes to conclude this sentence with a phrase that would continue the explanation of the importance of a tree’s root system. Which choice would best accomplish this?A. NO CHANGEB. Take great caresC. Take great careD. Takes great care
The writer wishes to conclude this sentence with a phrase that would continue the explanation of the importance of a tree’s root system. Which choice would best accomplish this?F. NO CHANGEG. As is possibleH. Whenever possibleJ. OMIT the underlined portion.
The writer wishes to conclude this sentence with a phrase that would continue the explanation of the importance of a tree’s root system. Which choice would best accomplish this?A. NO CHANGEB. Largely heavyC. Large heavilyD. Heavy, largely
The writer wishes to conclude this sentence with a phrase that would continue the explanation of the importance of a tree’s root system. Which choice would best accomplish this?F. NO CHANGEG. Some buildersH. Some of themJ. Some
The writer wishes to conclude this sentence with a phrase that would continue the explanation of the importance of a tree’s root system. Which choice would best accomplish this?A. NO CHANGEB. They areC. ItsD. This damage is
In 2005, it was found that average nitrogen levels in the leachate from Plot B were 8.2 mg/L. The data from the study supports which of the following conclusions?F. Kentucky bluegrass should not be used for lawns in suburbs near a public waterway.G. Once high-nitrogen fertilizer has been applied to
According to the Environmental Protection Agency, average nitrogen levels in leachate must be less than 10 mg/L to be safe for the environment. Based on this standard and the results of the study, which of the following fertilizer applications is considered safe?A. 196 kilograms of N per acre.B. 98
It was determined that during times of heavy rain, more nitrogen was leached from the soil. Based on the results of the study, which year most likely had times of heavy rain in April and September?F. 2000.G. 2001.H. 2003.J. None.
Based on the data in Table 1 and Figure 1, one can conclude that when fertilizer with a low nitrogen concentration is applied, native fish populations in surrounding waterways will most likely:A. Remain stable.B. Be reduced by 5%.C. Be completely decimated.D. Not have enough food.
According the passage, as the amount of nitrogen in the fertilizer increased, the average amount of nitrogen in the leachate:F. Decreased only.G. Increased only.H. Decreased for several years, then increased.J. Increased for several years, then decreased.
Suppose a 6th home was tested for carbon monoxide and the results showed a carbon monoxide level of 10.0 ppm. According to the passage, which of the following conclusions can be reached?A. The residents of Home 6 are highly susceptible to CO poisoning.B. Home 6 has a poorly adjusted gas stove that
According to the passage, if Home 4 has a gas stove, should it be removed?F. Yes, because it is emitting a high level of carbon monoxide.G. Yes, because it is not properly adjusted.H. No, because carbon monoxide levels in the house are within a safe range.J. No, because there is no indication of
According to the passage, which of the following carbon monoxide levels would be considered most harmful?A. 40.25 ppmB. 12.00 ppmC. 6.50 ppmD. 0.30 ppm
A sensing device was installed in Home 2 to test CO levels. Which of the following is most likely true about the results of the test?F. The results indicated below average CO emissions.G. The results indicated above average CO emissions.H. The results indicated average CO emissions.J. The results
According to the passage, which of the following homes listed in Table 1 most likely has a poorly adjusted gas stove?A. 5B. 4C. 3D. 1 Home 5 4 3. 2 1 Table 1 Carbon monoxide level (ppm) 25.0
One pound is equivalent to 16 ounces. If a book weighs 1.5 pounds, how many ounces, to the nearest tenth, does the book weigh?A. 10.7B. 17.5C. 24.0D. 61.5E. 165.0
Which of the following expressions is equivalent to (3x + 4)(x − 5)?F. 3x2 + 9x − 9G. 3x2 + 9x + 20H. 3x2 − 19x − 9J. 3x2 − 11x − 20K. 3x2 + 20x − 20
Let a function of 2 variables be defined by ƒ(a, b) = ab − (a − b). What is the value of ƒ(8,9)?A. 89B. 73C. 71D. 34E. 0
What is 1/5 of 16% of $24,000?F. $160G. $768H. $3,840J. $4,032K. $7,500
If 5x + 5 = 25 + 3x, then x =?A. 2.5B. 10C. 20D. 50E. 62.5
In parallelogram ABCD shown below, AB is 7 inches long. If the parallelogram’s perimeter is 46 inches, how many inches long is AD?F. 6 1/2G. 16H. 28J. 39K. 49 B 7 A C D
|14| × | − 2| =?A. −28B. −16C. −12D. 16E. 28
In the figure below, X and Y lie on the sides of ΔABC, and X̅Y̅ is parallel to A̅B̅. What is the measure of ∠ C?F. 120°G. 90°H. 80°J. 60°K. 40° A X C 40 Y 80% B
If x = −3 and y = 2, then x3y + xy3 = ?A. 78B. 30C. −6D. −30E. −78
Two professors were hired to begin work at the same time. Professor A’s contract called for a starting salary of $50,000 with an increase of $1,500 after each year of employment. Professor B’s contract called for a starting salary of $42,000 with an increase of $2,800 after each year of
If W = XYZ, then which of the following is an expression for Z in terms of W, X, and Y?A. XY/WB. W/XYC. WXYD. W − XYE. W + XY
Two whole numbers have a greatest common factor of 8 and a least common multiple of 48. Which of the following pairs of whole numbers will satisfy the given conditions?F. 4 and 9G. 5 and 10H. 10 and 16J. 14 and 20K. 16 and 24
A rope 55 feet long is cut into two pieces. If one piece is 23 feet longer than the other, what is the length, in feet, of the shorter piece?A. 2B. 16C. 23D. 32E. 51
If (x + r)2 = x2 + 22x + r2 for all real numbers x, then r =?F. 11G. 22H. 44J. 88K. 176
Jenny ran 3 1/3 miles on Saturday and 2 4/5 miles on Sunday. The total distance, in miles, Jenny ran during those 2 days is within which of the following ranges? A. At least 6 1/2 and less than 6 2/3B. At least 6 1/3 and less than 6 1/2C. At least 6 and less than 6 1/3D. At least 5 2/3 and
A car leaves a parking lot and travels directly north for 6 miles. It then turns and travels 8 miles east. How many miles is the car from the parking lot?F. 6G. 8H. 10J. 14K. 68
In the standard (x,y) coordinate plane, how many times does the graph of (x + 1)(x − 2)(x + 3)(x + 4) intersect the x-axis?A. 1B. 4C. 6D. 10E. 24
Marcia’s horse’s rectangular corral is 50 feet wide by 125 feet long. Marcia wants to increase the area by 1,850 square feet by increasing the width and length by the same amount. What will be the new dimensions (width by length), in feet?F. 55 by 130G. 60 by 135H. 65 by 135J. 65 by 140K. 70 by
The lengths of the sides of a triangle are 3 consecutive even integers. If the perimeter of the triangle is 48 inches, what is the length, in inches, of the longest side?A. 12B. 14C. 16D. 18E. 24
In the standard (x,y) coordinate plane, what is the slope of the line with equation 4y − 6x = 8?F. −3/2G. −6H. 3/2J. 3K. 6
In the right triangle shown below, which of the following statements is true about ∠ X?A. cos X = 13/5B. sin X =12/13C. tan X = 5/12D. cos X = 12/5E. sin X = 13/12 5 in X Z 13 in 12 in Y
Quadrilateral QRST is shown below in the standard (x,y) coordinate plane. For this quadrilateral, QT = 5, RS = √34, ST = 3, and RQ = 6, all in coordinate units.What is the length of QS in coordinate units?F. √34G. √10H. √8J. 8K. 4 R(-1,5) Y Q(-1,-1) S(4,2) T(4,-1) -X
Quadrilateral QRST is shown below in the standard (x,y) coordinate plane. For this quadrilateral, QT = 5, RS = √34, ST = 3, and RQ = 6, all in coordinate units.Which of the following are the coordinates of the image of R under a 90° counterclockwise rotation about the origin?A. (5,−1)B.
Which of the following is closest to the perimeter of quadrilateral QRST, in coordinate units?F. 26.0G. 22.5H. 19.8J. 15.0K. 14.0
If 5 times a number x is subtracted from 15, the result is negative. Which of the following gives the possible value(s) for x?A. All x < 3B. All x > 3C. 10 onlyD. 3 onlyE. 0 only
The temperature, t, in degrees Fahrenheit, in a certain city on a certain spring day satisfies the inequality |t − 34| ≤ 40. Which of the following temperatures, in degrees Fahrenheit, is NOT in this range?F. 74G. 16H. 0J. −6K. −8
What is the slope-intercept form of 10x − y − 8 = 0?A. y = −2xB. y = −10x − 8C. y = −10x + 8D. y = 10x − 8E. y = 10x + 8
A chord 32 centimeters long is 6 centimeters from the center of a circle, as shown below. What is the radius of the circle, to the nearest tenth of a centimeter?F. 5.3G. 13.9H. 17.1J. 26.0K. 38.0 32 6 r
What is the least common multiple of 3, 4a, 5b, and 6ab?A. 15abB. 60abC. 60a2bD. 120abE. 120a2b
What is the y-coordinate of the point in the standard (x,y) coordinate plane at which the 2 lines y = 3x + 4 and y = 2x + 6 intersect?F. 1G. 2H. 4J. 6K. 10
For all pairs of real numbers M and N where M = 6N + 5, N = ?F. M/6 − 5G. M/5 + 6H. 6M + 5J. M − 5/6K. M + 5/6
In the figure below, the perimeter of the triangle is 12 + 4√3 inches. What is the value of x, in inches?A. 2B. 4C. 6D. 8E. 12 X x√3
In the (x, y) coordinate plane, what is the y-intercept of the line −9x − 3y = 15?A. −9B. −5C. −3D. 3E. 15
What is the value of log4 64?A. 3B. 4C. 8D. 10E. 16
If cos θ = − 4/5 and π/2 < θ < π, then tan θ = ?F. −5/4G. −4/3H. −3/5J. 3/4K. 4/3
In Experiment 1, at a 30° angle, flow rate would most likely have been approximately 6.0 ft/s for which new pipe diameter?A. 0.4 inB. 0.6 inC. 0.8 inD. 1.2 inExperiment 1In Experiment 1, students began with a pipe of diameter 0.25 inches. The pipe was set first at a 15° angle and tap water was
Based on the information provided, the Lepidoptera listed in Table 1 that is most closely related to Agraulis vanillae most likely has which of the following characteristics?A. Fuzzy body.B. Wings are orange with black markings.C. Hindwings have pronounced spots.D. Green marbling on underside of
When the thermometer was in the 40°C water, in the time interval between 0 sec and 2 sec, approximately how rapidly, in °C/sec, was the temperature registered by the thermometer changing?A. 1°C/sec.B. 5°C/sec.C. 10°C/sec.D. 40°C/sec.
Based on Table 1, which of the following traits of Lepidoptera Y indicates that it is NOT a Speyeria coronis?F. Slim body.G. Yellow upper side of wings, with markings.H. Triangular, silver markings on the underside of wings.J. Round, elongated silver markings on the underside of wings.
The results from Table 1 for Lepidoptera W and Lepidoptera Z first diverge at which of the following steps?A. Step 1.B. Step 3.C. Step 7.D. Step 8. Step 1 2 3 4 5 6 7 Trait Body 8 Upper side of wings Upper side of wings Underside of wings Hindwings* Silver markings Underside of body Table
According to Table 1, Automeris io and Antheraea polyphemus both have which of the following traits?F. Pronounced spot on hindwings.G. Round markings on the underside of body.H. A wingspan of 5–8 cm.J. Slim bodies. Step 1 2 3 4 5 6 7 Trait Body 8 Upper side of wings Upper side of wings Underside
Based on Figure 1, at 3.0 sec, the thermometer reading in the 40°C water most likely was closest to which of the following?A. 47°C.B. 42°C.C. 36°C.D. 31°C. Temperature registered by thermometer (Cᵒ) 60.0 50.0 40.0 30.0 20.0 10.0 04 0 2.0 4.0 6.0 Time (sec) Figure 1 8.0 10 Key Water
According to Figure 2, for an air temperature of 30°C, over which of the following time intervals was the thermometer reading changing most rapidly?F. 0–100 sec.G. 100–200 sec.H. 200–300 sec.J. 300–400 sec. Temperature registered by thermometer
Based on Figure 2, if the thermometer, at an initial temperature of 60°C, had been placed in an air sample at 20°C, how long would it most likely have taken the thermometer reading to reach 20°C?F. Less than 10 sec.G. Between 10 and 50 sec.H. Between 50 and 100 sec.J. Greater than 100 sec.
According to the passage, at which of the following did the thermometer register the highest reading?A. Water temperature 60°, 4.0 sec.B. Water temperature 60°, 2.0 sec.C. Water temperature 50°, 4.0 sec.D. Water temperature 50°, 2.0 sec.
Which of the following is most consistent with the reasons supporting the use of placebos in clinical research? Many patients administered a placebo during a study:F. Found it very difficult to trust their various medical professionals.G. Found it much easier to deal with their illness due to the
According to Scientist 1’s viewpoint, the placebo effect often reveals in the patient:A. A negative change in behavior leading to a worsening of the patient’s condition.B. A positive change in behavior leading to recovery from the illness.C. A negative change in behavior leading to a loss of
According to the passage, both Scientists agree that:F. The implementation of the placebo is worthwhile for the evaluation of the placebo effect.G. The use of placebos can cause the placebo effect in patients.H. Few patients experience any sort of a response to placebos.J. Placebos are valuable for
According to Scientist 2’s viewpoint, which of the following observations provides the strongest argument against using placebos in clinical research?A. The fact that patients sometimes deceive researchersB. The danger of adverse reactions to sugar pillsC. The potential to skew the results of the
An evaluation of several placebo-using studies found that those patients who were involved were not only very trusting of their doctors and medical teams, but they were also more willing to communicate the various effects the treatment was having on them. This finding contradicts evidence stated in
Based on Experiment 1, the relationship between the angle of the pipe and the velocity of flow:F. Is indirect.G. Is direct.H. Varies, but with no general trend.J. Cannot be determined.Experiment 1In Experiment 1, students began with a pipe of diameter 0.25 inches. The pipe was set first at a
Which of the following conclusions is best supported by information in the passage? As viscosity increases:A. Laminar flow decreases.B. Velocity of flow increases.C. Velocity of flow decreases.D. Laminar flow cannot be measured.
The writer is considering deleting the phrase “which became a required piece of equipment in any dentist’s office” from the preceding sentence (ending the sentence with autoclave). Should the phrase be kept or deleted?A. NO CHANGEB. However, itC. For example, itD. In the meantime, it
Which of the following alternatives to the underlined portion would be LEAST acceptable?F. DeclaredG. AnnouncedH. AffirmedJ. Published
If the writer were to delete the phrase “which was both a blessing and a curse” from the preceding sentence (ending the sentence with attempts), the essay would primarily lose:A. A relevant description of the writer’s attitude towards her English teacher.B. Information about the writer’s
For the sake of the logic and coherence of this paragraph, Sentence 3 should be placed:F. Where it is now.G. Before Sentence 1.H. Before Sentence 2.J. After Sentence 5.
At this point, the writer is considering adding the following true statement:It had a certain beauty and serenity about it that the photo had emitted to me from the beginning.Should the writer make this addition here?A. NO CHANGEB. The painting of whichC. WhatD. That
At this point, the writer is considering adding the following true statement:It had a certain beauty and serenity about it that the photo had emitted to me from the beginning.Should the writer make this addition here?F. Yes, because it provides details about the essence of the painting and explains
Which of the following alternatives to the underlined portion would NOT be acceptable?F. NO CHANGEG. SomewhereH. Even thoughJ. Throughout
Which of the following alternatives to the underlined portion would NOT be acceptable?A. NO CHANGEB. Keeping us busy and preoccupied with unimportant tasksC. Keeping us preoccupiedD. Maintaining our preoccupation
Which of the following alternatives to the underlined portion would NOT be acceptable?F. NO CHANGEG. That I am still full of thoughtH. That which I still thinkJ. That I still think
Which of the following alternatives to the underlined portion would NOT be acceptable?A. NO CHANGEB. However; asC. However. AsD. However as,
Which of the following alternatives to the underlined portion would NOT be acceptable?F. NO CHANGEG. Naturally in AfricaH. Naturally; in Africa,J. Naturally: in Africa
Which of the following alternatives to the underlined portion would NOT be acceptable?A. NO CHANGEB. Other countriesC. Other countries’D. Other countries,
Which of the following alternatives to the underlined portion would NOT be acceptable?F. NO CHANGEG. Despite this,H. As a result,J. Even more so,
Which of the following alternatives to the underlined portion would NOT be acceptable?A. NO CHANGEB. Coffee plants; theyC. Coffee plants, theyD. Coffee plants that they
Which of the following alternatives to the underlined portion would NOT be acceptable?A. Tolerates the sun and even thrivesB. Is able to tolerate the sun and thriveC. Is not only tolerant of the sun however thrivesD. Does not merely tolerate the sun but thrives
Given that all the choices are true, which one would add the most effective visual detail to the description provided in the second part of this sentence?F. NO CHANGEG. Amounting toH. Amount forJ. Amount of
Given that all the choices are true, which one would add the most effective visual detail to the description provided in the second part of this sentence?A. NO CHANGEB. SinceC. However,D. Furthermore,
Given that all the choices are true, which one would add the most effective visual detail to the description provided in the second part of this sentence?F. NO CHANGEG. The lack of tree cover leaves the land open to pounding rainfall,H. The land is vulnerable to rain,J. Rain often falls,
Which of the following alternatives to the underlined portion would NOT be acceptable?A. NO CHANGEB. Who discoveredC. Are discoveringD. Discovered
Which of the following alternatives to the underlined portion would NOT be acceptable?F. WhenG. SinceH. BecauseJ. Therefore
Given that all of the choices are true, which one provides a detail that best leads into the description that follows in this paragraph?A. NO CHANGEB. Grandfather whenever his name should have been mentionedC. Grandfather whenever his name being mentionedD. Grandfather. Whenever his name was
Given that all of the choices are true, which one provides a detail that best leads into the description that follows in this paragraph?F. NO CHANGEG. Which had been purchased from an old catalog long ago.H. Which was made of cedar and redwood.J. Which was kept locked to protect the contents from
Which of the following alternatives to the underlined portion would NOT be acceptable?F. If the truth were told, the kind of helpG. Truth be told, the sort of helpH. Truth be told, the kind of type of helpJ. To tell the truth, the kind of help
Which of the following sentences in this paragraph is LEAST relevant to the purpose of describing the narrator’s actions and, therefore, could be deleted?A. Sentence 1B. Sentence 2C. Sentence 3D. Sentence 4
Which of the following true statements, if added at the beginning of this paragraph would most effectively introduce readers to the information presented in the paragraph?F. NO CHANGEG. Wooden box’s interiorH. Wooden boxes interiorJ. Wooden boxes’ interior

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