Question: Solve a. |x 2 2| = 7 b. |5 x 2 |= 3 x c. |x 2 + 2x| = x +

Solve

a. |x2 − 2| = 7 

b. |5 − x2|= 3 − x 

c. |x2 + 2x| = x + 2

d. |x2 − 3| = 2x + 1 

e. |2x2 − 5x|= 4 − x 

f. |x2 − 7x + 6|= 6 − x

Step by Step Solution

★★★★★

3.55 Rating (165 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a Starting with the equation x2 2 7 we can break it down into two cases Case 1 x2 2 7 Solving for x ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Cambridge International AS & A Level Mathematics Probability & Statistics Questions!

Q:

Exercise 112. Evaluate the determinant by expanding about column 1 and using the method of cofactors. Do these methods give the same determinant for 3 3 matrices? Exercise 112 Evaluate the...

Q:

Illustrate the execution of the minimum-cost flow algorithm based on successive augmentations along minimum-cost paths for the flow network of Figure 16.2, where the cost of an edge (u, v) is given...

Q:

The table to the right shows the demand schedule for Saras Scones. Calculate Saras marginal revenue for each quantity demanded. Compare Saras marginal revenue and price. In what type of market does...

Q:

I. Identification. Identify what is being defined/described in each item. Write your answer on the space provided before each item number. (one point each) 1. .It is the value for natural exponential...

Q:

Calculus pre-test DO NOT WRITE ON THIS TEST! Find the distance between the points (3, 17) and (-2, 5). 13 V145 C) 485 d) 3151 e) none of these Find the midpoint of the line segment joint the points...

Q:

REVIEW Final Sum Factor each completely 1 8x 28x Simplify each expression 2x 2x x 3 x 2 3 A B 5 C D A B 5 x 4 C D 5r2 5x 6 2x x 3 4x 10x x 3 x 2 6x 3x x 1 2x 1 2x 3x 2 2x x 3 4x x 3 5x 15 4x x 4 17x...

Q:

1. Use the definition of an improper integral to evaluate: (a) 100 2 dx J1 ex (b) Jo V2-x = dx (c) J1 75/2 dx 2. Determine whether the improper integral is convergent or divergent without solving the...

Q:

1. Use the definition of an improper integral to evaluate: (a) 100 2 dx J1 ex (b) Jo V2-x = dx (c) J1 75/2 dx 2. Determine whether the improper integral is convergent or divergent without solving the...

Q:

4. For each of the following, find the limit, if it exists. (m is a positive integer) [points 10] (a). lim (2x + 4x3 + 2) {bj. lim (2x3 - 4x + 2) 1+x-x (c). lim 1+x2 x' - 2x + 1 {d). lim K' - x {e)....

Q:

Assignment II: Network Models Instructions: Submission Deadline: TBD Format: Submit your solutions in a single PDF document. Software Tools: You may use software tools such as MATLAB, LINGO, or any...

Q:

Refer to Example 11.2. Create a table that shows the effect on the test statistic and the p-value of changing the value of the sample mean. Use x = 15.0, 15.5, 16.0, 16.5, 17.0, 17.5, 18.0, 18.5, and...

Q:

What factors cause the real interest rate to change?

Q:

Given all else equal, which of the following has the lowest coupon rate? A . Zero - coupon bond B . Callable coupon bond C . Straight coupon bond D . Puttable coupon bond

Q:

20. (a) A businessman is considering taking over a certain new business. Based on past information and his own knowledge of the business, he works out the probability distributions of the monthly...

Q:

A is the point (3, 6) and B is the point (9, 10). a. Find the equation of the line through A and B. b. Show that the perpendicular bisector of the line AB is 3x 4y = 17. c. A circle passes through A...

Q:

A circle has radius 10 units and passes through the point (5, 16). The x-axis is a tangent to the circle. Find the possible equations of the circle.

Q:

A circle passes through the points O(0, 0), P(3, 9) and Q(11, 11). Find the equation of the circle.

Q:

Haggerty Hilts plans to issue 12 -year, zero-coupon bonds to finance its capital expansion. Haggerty wants to raise $25 million for the expansion If the required return on the bonds is 13.0% APR,...

Q:

Risk analysis techniques like sensitivity and scenario analysis are important because: These analyses require effort which helps to employ more college graduates Additional analysis is always better...

Q:

While she was travelling, Zaina took advantage of the convenience of cash withdrawals on her credit card since her Canadian debit card wasnt accepted in the country she was in. According to her...