1. Consider the function y = 2x2 + 3. Which ordered pairs from the set {(-4, 35), (-3, 20), (-2, 11), (5, 52)} are solutions? A. {(-2, 11), (-3, 20)} B. {(-4, 35), (-2, 11)} C. {(-4, 35), (-3, 20)} D. {(-4, 35), (5, 52)} Hint 2. Simplify 2x2 + 5x2 + 7x. A. 7x2 + 7x B. 14x C. 14x2 D. 2x2 + 12x Hint 3. What is the opposite of -4x? A. -4x B. 4 C. -4 D. 4x Hint 4. A rectangle is 7 feet longer than it is wide. If x represents the width, find the area of the rectangle. A. 8x square feet B. 7 square feet C. x2 - 7x square feet D. x2 + 7x square feet Hint 5. Simplify x2 + 5x + 2 + (-4x) + 3x + (-5) + 3. A. x2 + (-x) B. x2 + 4x C. x2 + 4x + 1 D. x2 + 4x + -3 Hint 6. Add 2x2 + 6x + 3 and 5x2 + x + 7. A. 7x2 + 7x + 10 B. 7x2 + 7x + 3 C. 7x4+ 7x2 + 10 D. 7x2 + 5x + 10 Hint 7. Find (9x2 + 6x + 3) – (6x2 – 4x + 2) then evaluate the difference for x = -2.5. A. -5.25 B. -1.25 C. 44.75 D. 18.75 Hint 8. Which graph represents a nonlinear function? A. B. C. D. Hint 9. Which equation represents a nonlinear function? A. y = 5x2 + 1 B. y = 5x + 1 C. y = 5x D. y = 5 Hint 10. Find the equation that represents the graph. A. y = -4x2 B. y = 2x2 C. y = -2x2 D. y = 0.25x2 Hint 11. Find the measure of Y in the figure. A. 131° B. 280° C. 125° D. 90° Hint 12. Find 93 · 97. A. 910 B. 921 C. 8110 D. 8121 Hint 13. Find the quotient of six to the twelfth power and six cubed. A. 636 B. 615 C. 69 D. 64 Hint 14. Find -9q(6q - 2). A. -54q2 + 18q B. -54q + 18 C. -54q2 + 11q D. -54q2 - 18q Hint