1. If x k 1 3 = and k = 3, what is the value of x?

A) 2 B) 4 C) 9 D) 10

2. For i = 1 , what is the sum (7 + 3 ) + (8 + 9i) ?

A) 1 + 12i B) 1 6i C) 15 + 12i D) 15 6i

3. On Saturday afternoon, Armand sent m text messages each hour for 5 hours, and Tyrone sent p text messages each hour for 4 hours. Which of the following represents the total number of messages sent by Armand and Tyrone on Saturday afternoon?

A) 9mp B) 20mp C) 5 +4 m p D) 4 +5 m p

4. Kathy is a repair technician for a phone company. Each week, she receives a batch of phones that need repairs. The number of phones that she has left to fix at the end of each day can be estimated with the equation P d = 108 23, where P is the number of phones left and d is the number of days she has worked that week. What is the meaning of the value 108 in this equation?

A) Kathy will complete the repairs within 108 days. B) Kathy starts each week with 108 phones to fix. C) Kathy repairs phones at a rate of 108 per hour. D) Kathy repairs phones at a rate of 108 per day

5. ((x2y3y2+5xy2)(x2y+3xy23y2)

Which of the following is equivalent to the expression above?

A) 4x2y2 B) 8xy2-6y2 C) 2x2y+2xy2 D) 2x2y+8xy2-6y2

6. A pediatrician uses the model above to estimate the height h of a boy, in inches, in terms of the boy's age a, in years, between the ages of 2 and 5. Based on the model, what is the estimated increase, in inches, of a boy's height each year?

A) 3 B) 5.7 C) 9.5 D) 14.3

8. If a/ b = 2, what is the value of 4b/a?

A) 0 B) 1 C) 2 D) 4

9. 3x + 4y = 23

2y x = 19

What is the solution (x,y ) to the system of equations above?

A) (5, 2) B) (3, 8) C) (4, 6) D) (9, 6)

10. g(x ) = ax^2+ 24

For the function g defined above, a is a constant, and g(4) = 8. What is the value of g(4)?

A) 8 B) 0 C) 1 D) 8

11. b= 2.35 + 0.25x

c= 1.75 + 0.40x

In the equations above, b and c represent the price per pound, in dollars, of beef and chicken, respectively, x weeks after July 1 last summer. What was the price per pound of beef when it was equal to the price per chicken?

A) $2.60 B) $2.85 C) $2.95 D) $3.35

12. A line in the XY plane passes through the origin and has a slope of 1/7. Which of the following points lies on the line?

A) (0, 7) B) (1, 7) C) (7, 7) D) (14, 2)

13. If x > 3, which of the following is equivalent

to 1/1/x+2 + 1/x+3?

A) 2x +5/x^2+5x+6 B) x^2+5x+6/2x+5 C) 2x +5 D) x^2 +5x +6

14. If 3x y = 12, what is the value of 8^2/2y?

A) 2^12 B) 4^4 C) 8^2 D) The value cannot be determined from the information given.

15. If (ax + 2)(bx + 7) = 15^+cx+ 14 for all values of x, and a+ b =8, what are the two possible values for c ?

A) 3 and 5 B) 6 and 35 C) 10 and 21 D) 31 and 41

16. If t > 0 and t^2 4=0, what is the value of t?

17. A summer camp counselor wants to find a length, x, in feet, across a lake as represented in the sketch above. The lengths represented by AB, EB, BD, and CD on the sketch were determined to be 1800 feet, 1400 feet, 700 feet, and 800 feet, respectively. Segments AC and DE intersect at B, and AEB and CDB have the same measure. What is the value of x?

18. x+ y=9

x+ 2y= 25

According to the system of equations above, what is the value of x ?

19. In a right triangle, one angle measures x, where sin x =4/ 5 . What is cos(90 x)?

20. If a =5 square root of 2 and 2a= square root of 2x, what is the value of x?