1. Identify h(x) = [x] + 4. A. greatest integer function B. direct variation function C. constant function D. absolute value function Hint 2. Choose the graph of A. B. C. D. Hint 3. Triangle PQR with vertices P(-8, 9), Q(-3, -1), and R(2, 5) is translated so that P' is at (-12, 0). Find the translation matrix. A. B. C. D. Hint 4. Solve A. B. C. 5 D. Hint 5. What is the conjugate of 12 - 4i? A. -4i B. C. 12 + 4i D. 12 Hint 6. Use the graph to determine the solution(s) of  x2 -  x - 6 = 0. A. -3, 2 B. -2 C. -6 D. -2, 3 Hint 7. What are all of the rational zeros of the function q(x) = x4 - x3 + 4x2 - 4x? A. 0, 1, ±2 B. 0 C. 0, 1 D. 0, -2 Hint 8. Evaluate p · (p + 3q)  r if p = -7, q = 4, and r = -16. A. -51 B. 45 C. -19 D. 77 Hint 9. Is the relation shown in the graph a function? Why or why not? A. Yes, the ordered pairs (-3, 2), (-1, 1), and (3, -1) form a straight line. B. No, the relation contains the ordered pairs (0, -1) and (3, -1). C. No, the relation contains the ordered pairs (3, -1) and (3, 2). D. Yes, the relation contains very few ordered pairs. Hint 10. Consider the function f (x) = -2(x + 8). Is this function a linear function? Why or why not? A. No, f is not a function. B. Yes, the function can be written in the form f (x) = mx + b. C. No, the function cannot be written in the form f (x) = mx + b. D. Yes, the coefficient of x is not zero. Hint 11. Consider the formula F(c) = 1.8c + 32, where c is the temperature in degrees Celsius and F(c) is the temperature in degrees Fahrenheit. If it is 0° C at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit? A. 19.8 B. 11 C. -12.2 D. 51.8 Hint 12. What is the slope of the line with equation A. 7 B. C. -7 D. Hint 13. Solve the system of equations. 2x + 3y = 74x  6y = 8. A. y = 22, x = 31 B. no solution C. y = 22, x = 29.5 D. y = 22, x = 36.5 Hint 14. Find the coordinates of the vertices of the figure formed by A. (3, 0), (5, 4 ), (5, 2) B. (4, 0), (3, 4), (5, 2) C. (3, 0), (3, 4), (5, 2) D. (4, 0), (5, 4), (5, 2) Hint 15. Which of the following is true concerning matrix multiplication of three matrices A, B, and C? A. AB = BA for no cases B. AB = BA for all cases C. (A + B)C = CA + CB D. C(A + B) = CA + CB Hint 16. Find the coordinates of the vertices of the image of a triangle FGH with F(-4, 2), G(-3, -3), H(3,4) after it is rotated 270° counterclockwise about the origin. A. F'(2, -4), G'(-3, -3),H'(4, 3) B. F'(-2, 4), G'(3, 3),H'(-4, -3) C. F'(2, 4), G'(-3, 3),H'(4, -3) D. F'(4, 2), G'(3, -3),H'(-3, 4) Hint 17. Evaluate A. 128 B. 38 C. 38 D. 128 Hint 18. Simplify A. B. C. 27x3ny6 D. Hint 19. Determine whether the expression 5x3y3  x2y2 is a polynomial. A. Yes. B. No, because there are two variables. C. No, because there are two terms. D. Cannot be determined from given information. Hint 20. What is the negative solution of the equation ? A. B. 5 C. 3 D. 3 Hint