1. Find the value of A. -14 B. 14 C. -56 D. 5 Hint 2. Solve x + 4 > 1 or x - 7 < 6. A. all reals B. {x | x < 13} C. {x | x < -3 or x > 13} D. {x | x > -3} Hint 3. State the slope and y-intercept of the graph of -y = -0.9x + 4. A. m = -4, b = 0.9 B. m = 4, b = -0.9 C. m = -0.9, b = 4 D. m = 0.9, b = -4 Hint 4. State the solution of the system of equations graphed below. A. (3, 1) B. (3, -1) C. (-1, 3) D. (0, 3) Hint 5. Solve the system of equations by using the elimination method. A. (12, -2) B. (34, -13) C. (2, 3) D. (4, 2) Hint 6. A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y? A. f(2, -2) B. f(-2, 3) C. f(3, 1) D. f(4, 6) Hint 7. A(n) _____ is a transformation that occurs when a figure is moved from one location to another. A. translation B. dilation C. addition D. enlargement Hint 8. If , find N -1. A. B. C. D. Hint 9. Factor 8a4b - 3ab2c. A. ab(8a3 - 3bc) B. 8ab(a2 - 3bc) C. abc(8a3 - 3b) D. a2b(8a2 - 3bc) Hint 10. Simplify (8 - 9i) + (3 + 4i). A. 11 - 5i B. 17 + 7i C. -i + 17 D. 11 + 5i Hint 11. Find the axis of symmetry of the graph of  f(x) = 4x2 -4x + 4. A. x = B. x = 2 C. x = 4 D. y = 3 Hint 12. Solve the system of equations3x – 5y = 4–2x + 4y = 3. A. B. C. D. Hint 13. What are the solutions to the system y + 2x – 5z = 4, –2y – 4x + 10z = 8, 3y + x – 3z = 5? A. (2, 2, –2) B. no solution C. (2, 2, 1) D. infinite Hint 14. What are the coordinates of the vertices of the image of rectangle HJKL with H(4, 1), J(-3, -2), K(2, -6), and L(-4, 5) after a reflection across the x-axis? A. H'(-4, 1), J'(3, -2), K'(-2, -6), L>'(4, 5) B. H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5) C. H'(-4, –1), J'(3, 2), K'(-2, 6), L'(4, -5) D. H'(4, –1), J'(-3, 2), K'(2, 6), L'(-4, -5) Hint 15. Find the coordinates of the vertices of the image of a rectangle ABCD with A(4, -3), B(-3, 1), C(-7, -3), and D(5, 2) after a reflection across the line y = x. A. A'(3, 4),B'(-1, -3),C'(3, -7),D'(-2, 5) B. A'(-4, -3),B'(3, 1),C'(7, -3),D'(-5, 2) C. A'(-3, -4),B'(1, 3),C'(-3, 7),D'(2, -5) D. A'(-3, 4),B'(1, -3),C'(-3, -7),D'(2, 5) Hint 16. In order for a matrix to have an inverse, what must be true? A. ad – bc = 1 B. ad – bc = 0 C. ad – bc 1 D. ad – bc 0 Hint 17. Solve the system of equations4x – 2y = 2, –3x + 7y = –29 A. (–2, –5) B. (–2, 5) C. (2, –5) D. no solution Hint 18. In the expression q9 = p, what is the cube root of p? A. q6 B. C. q3 D. Hint 19. Solve x2 - 11x + 24 = 0 by using the quadratic formula. A. 6, 16 B. 7, –18 C. 3, 8 D. –3, –8 Hint 20. Solve by using the quadratic formula. A. B. C. D. Hint