1. Which of the following shows a reflection. A. B | B B. C. D. Hint 2. Evaluate (3.2 × 10-5)(5.4 × 109). Express the result in scientific notation. A. 0.1728 × 106 B. 1.728 × 103 C. 17.28 × 104 D. 1.728 × 105 Hint 3. Determine whether the number is rational or irrational. A. both B. irrational C. neither D. rational Hint 4. If a rocket is fired from the ground with an initial velocity of 75 meters per second, then the height of the rocket after t seconds is h = 75t - 4.9t2. Find the height of the rocket after 3 seconds. A. 180.9 meters B. 252.5 meters C. 130.4 meters D. 221.6 meters Hint 5. The vertices of are A(2, -1), B(0, -3), and C(4, -2). Find the vertices of the triangle after a translation 2 units right and 3 units down. A. A'(-1, 1), B'(-3, -1), C'(1, 0) B. A'(4, 2), B'(2, 0), C'(6, 1) C. A'(0, 2), B'(-2, 0), C'(2, 1) D. A'(4, -4), B'(2, -6), C'(6, -5) Hint 6. Express in simplest form. A. B. C. D. Hint 7. Simplify the polynomial 4a2 + a2. A. 5a2 B. 4a2 C. 4a2 + a D. 6a2 Hint 8. Add 3x2 + 2x - 1 and x2 - 3x + 5. A. 4x2 - x + 4 B. 2x2 - 5x - 6 C. 4x2 + 5x - 4 D. 2x2 + 5x + 4 Hint 9. Find the value of b that makes x2 + bx + 36 a perfect square. A. -12, 12 B. 324 C. 12 D. 6 Hint 10. What is the equation of a line that has a slope of 3 and passes through (–4, –3)? A. y = 3x + 9 B. y = 3x + 3 C. y = 3x – 3 D. y = 3x – 9 Hint 11. What is the reciprocal of –20? Evaluate it in decimal form. A. –0.05 B. –0.20 C. –0.50 D. –0.02 Hint 12. What type of relationship does the equation have if its first differences are constant? A. linear B. cubic C. quadratic D. constant Hint 13. Find a solution to the equation using backtracking. A. a = 2 B. a = –2 C. a = 3 D. a = 5 Hint 14. What angle of rotation does the figure below have? A. 180° B. 90° C. 45° D. 120° Hint 15. Rule: (x, y) (x – 6, y + 1). Find the correct translation. A. B. C. D. Hint 16. Write the expression in factored form.3x2 – 6x A. x (x – 6) B. 3x (x + 2) C. 3x (x – 6) D. 3x (x – 2) Hint 17. Solve the equation. A. x = –2 B. x = –3 C. x = 2 D. x = 3 Hint 18. Solve the equation by backtracking. A. a = -1 B. a = 10 C. a = –10 D. a = 1 Hint 19. Rewrite the expression as a product of two binomials.x2 – x – 56 A. (x + 7)(x – 8) B. (x – 7)(x – 8) C. (x – 7)(x + 8) D. (x + 7)(x + 8) Hint 20. Factor the quadratic expression.x2 + 2x – 24 A. (x – 6)(x – 4) B. (x + 6)(x – 4) C. (x – 6)(x + 4) D. (x + 6)(x + 4) Hint