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Algebra 1: Test #3 --- REVIEW---3 Show needed work, and write your answers using capital block style letters. 1. Which of the following is a factor of 6. Which of these is equivalent to the expression below? ? ? A B C D 2. Which of these is not prime over the set of rational numbers? A B C 3. Which is equivalent to the algebraic expression shown below? B Step 1 C Step 3 D Step A Step A –86 y y = 4x– 2 B D 2 B Step 4 C Step 1 D Step 3 B 22 C –14 D 94 11. What is the factored form of the expression? 4 3 2 1 A C 10. Which of these is equivalent to the expression below when c = –6? 4 5. Which of the following equations represents the line through (2,6) and (0,–2) graphed below? –8 –7 –6 –5 –4 –3 –2 –1 –1 –2 –3 –4 –5 B 9. Devin solved the equation below using the steps shown. Given: 2(c + 2) + 12 = 6 Step 1: 2c + 4 + 12 = 6 Step 2: 2c + 16 = 6 Step 3: 2c = 22 Step 4: c = 11 Which step contains Devin’s FIRST mistake? 4. Devin solved the equation below using the steps shown. Given: 3(m - 5) + 8 = 7 Step 1: 3m - 15 + 8 = 7 Step 2: 3m + 23 = 7 Step 3: 3m = 10 Step 4: m = 3.3 Which step contains Devin’s FIRST mistake? 2 D A D A Step C 8. Solve by completing the square. B C B 7. What value of x makes the equation x – 11 = 12 true? A –23 B 1 C 23 D none of these D A A A 1 2 3 4 5 6 7 8 1 y = x+ 6 4 B C x D 12. Which of the following is a factor of A C 1 y = x+ 6 4 D y = 4x– 2 B C D 13. Which of these is prime over the set of rational numbers? A B C D Short Answer 14. What is the solution set for the equation ? 15. What is the next step for solving this equation by factoring? ? (m + 2)(m – 5) = 0 16. What is a equal to in this equation? –3m2 + 9m – 9 = 0 17. What is the next step for solving this equation by graphing on the calculator? y2 – 8 = 2y 34. Solve the equation by using the Quadratic Formula. Round to the nearest tenth if necessary. 18. What is the next step for solving this equation by factoring? 2v2 – 4v – 30 = 0 35. How do you find the vertex? 19. What is the solution set of the equation below? 20. What is the next step for solving this equation using the quadratic formula? w2 – 6 = –w 21. What is the product of the solutions of the equation below? 22. What is the solution set of the equation below? 23. When written in standard form, what is the quadratic term of this equation? 8x2 + 6 = –7x 24. Solve by factoring ? 25. What is the next step for solving this equation by factoring? y2 – 20 = – y 26. What is the vertex for this function? y = x2 + 20x + 50 27. When written in standard form, what is the linear term of this equation? 8m2 + 6 = – 6m 28. What is the sum of the solutions for the equation ? 29. Write the steps for solving a quadratic equation by factoring. 30. What is the solution set of the equation below? 31. What would be the first step for finding the vertex for this function? y = x2 + 12x + 18 32. What formula do you use to find the axis of symmetry? 33. What is the standard form of a quadratic equation? 36. When written in standard form, what is the constant of this equation? –8x2 + 6 = – 8x 37. Find the vertex of 38. What is the next step for solving this equation by factoring? n2 + n – 6 = 0 Algebra 1: Test #3 --- REVIEW---3 Answer Section MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. C C D A D A C D D D C D A SHORT ANSWER 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. or –3 y2 –2y – 8 = 0 2(v + 3)(v – 5) = 0 w2 + w – 6 = 0 8x2 y2 + y – 20 = 0 (–10 , –50) 6m add a d 32. 33. ax2 + bx + c = 0 34. 35. d 36. 6 37. 38.