1. Simplify 2a4 + 4a2 + a4. A. 2a4 + 4a2 + a4 B. 3a8 + 4a2 C. 7a10 D. 3a4 + 4a2 Hint 2. Simplify (3a)(-2b) + (5b)(-2a). A. 4ab B. -16ab C. -4ab D. 16ab Hint 3. Solve 15 + a = 10. A. a = -25 B. a = 25 C. a = 150 D. a = -5 Hint 4. Solve A. a = 7 B. a = C. a = D. a = 14 Hint 5. A brand of grape drink that is 25% grape juice is mixed with another brand that is 75% grape juice. The result is 7 gallons of grape drink that is 35% grape juice. How much of the brand that is 25% grape juice was used? A. 6 gallons B. 5.6 gallons C. 7 gallons D. 1.4 gallons Hint 6. Which ordered pair is a solution for 3a + 2b = 6? A. (-2, 0) B. (0, -3) C. (1, 1) D. (2, 0) Hint 7. Find the domain of y = 6x if the range is {36, 24, 12, 0}. A. {30, 18, 6, -6} B. {6, 4, 2} C. {216, 144, 72, 0} D. {6, 4, 2, 0} Hint 8. Which graph represents a function? A. B. C. D. Hint 9. Write the standard form of an equation of the line that passes through (-2, 5) and has an undefined slope. A. y = 5 B. x = -2 C. x - y = 3 D. -2x + 5y = 0 Hint 10. Which graph show the solution set of the compound inequality 4x - 7 < 2x and 3x + 5 > -1? A. B. C. D. Hint 11. Which ordered pair is not a part of the solution set for 4y - 2x < 8? A. (-3, 5) B. (3, 2) C. (2, 1) D. (-4, -4) Hint 12. Identify the hypothesis in the following algebraic statement: If 3x + 10 = 13, then x = 1. A. 3x + 10 = 13 B. 3x + 10 C. x = 1 D. 3x Hint 13. A conditional statement consists of a __________ . A. counterexample B. hypothesis only C. conclusion only D. hypothesis and a conclusion Hint 14. Which values of x and y are counterexamples to the given statement?If x – y = an even number, then both x and y are even numbers. A. x = 19, y = 13 B. x = 22, y = 20 C. x = 12, y = 4 D. x = 15, y = 8 Hint 15. Evaluate 10 + |21 - x| - 3 if x = 9. A. 22 B. 19 C. 25 D. 28 Hint 16. Solve –14n = -112. A. n = -1568 B. n = 8 C. n = 1568 D. n = -8 Hint 17. Select the linear equation. A. y = -5x + 1 B. = -2 C. 5x2 + 2y2 = 1 D. 3xy – 2y = 7 Hint 18. Solve 11x – 9 > 13 or –4x – 4 < 8. A. {x| x > -3} B. {x| x > 2} C. {x| x < -3 or x > 2} D. {x| x > -1} Hint 19. Graph x – y < 5. A. B. C. D. Hint 20. Solve -15 = k - 12. A. k = 27 B. k = -3 C. k = D. k = -27 Hint