Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Midterm Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Use substitution to solve the system of equations. ____ 1. ____ a. (36, 33) b. (–9, –6) 2. If t k 5 and k t 11 , then k ? a. 2 b. 3 ____ c. (12, 15) d. (33, 36) c. 8 d. 11 3. If a b 5 and 2a 3b 12 , then b ? a. 1 b. 2 c. 3 d. 4 Solve the system of inequalities by graphing. ____ 4. y a. –5 –4 –3 –2 y c. 5 5 4 4 3 3 2 2 1 1 –1 –1 1 2 3 4 5 x –5 –4 –3 –2 –1 –1 –2 –2 –3 –3 –4 –4 –5 –5 1 2 3 4 5 x y b. –5 ____ –4 –3 –2 y d. 5 5 4 4 3 3 2 2 1 1 –1 –1 1 2 3 4 5 x –5 –4 –3 –2 –1 –1 –2 –2 –3 –3 –4 –4 –5 –5 1 2 3 4 5 x 1 2 3 4 5 x 1 2 3 4 5 x 5. y a. –5 –4 –3 –2 5 5 4 4 3 3 2 2 1 1 –1 –1 1 2 3 4 5 x –3 –2 –4 –3 –2 –1 –1 –2 –3 –3 –4 –4 –5 –5 y –4 –5 –2 b. –5 y c. y d. 5 5 4 4 3 3 2 2 1 1 –1 –1 1 2 3 4 5 x –5 –4 –3 –2 –1 –1 –2 –2 –3 –3 –4 –4 –5 –5 Simplify. Assume that no denominator is equal to zero. ____ ____ ____ ____ 6. a. b. c. d. a. b. c. d. a. b. c. d. a. c. b. d. a. c. b. d. 7. 8. 9. ____ 10. Express the number in scientific notation. ____ 11. 0.0003054 a. b. c. d. ____ 12. a. b. c. d. Evaluate. Express the result in scientific notation. ____ 13. a. b. c. d. a. b. c. d. a. b. c. d. a. b. c. d. ____ 14. ____ 15. ____ 16. Find the sum or difference. ____ 17. 3c 2a 1 4c 2a 1 ? a. 2a 4c 12 b. 4a 3c 2 c. d. ____ 18. a. b. c. d. a. b. c. d. ____ 19. Solve the equation. ____ 20. a. b. c. d. a. b. c. d. ____ 21. a c 1 7c Find the product. ____ 22. a. b. c. d. a. b. c. d. a. b. c. d. a. b. c. d. a. b. c. d. a. b. c. d. ____ 23. ____ 24. ____ 25. ____ 26. ____ 27. Factor the polynomial. ____ 28. a. c. b. d. a. c. b. d. a. b. c. d. ____ 29. ____ 30. Factor the trinomial. ____ 31. a. b. c. d. a. b. c. d. ____ 32. Factor the polynomial, if possible. If the polynomial cannot be factored, write prime. ____ 33. a. b. c. d. a. b. Factor the expression. c. d. ____ 34. ____ 35. abc bcd cde a. ab(c+d+e) b. ac(b+e) c. c(ab+bd+de) d. d(a+b+c+e) ____ 36. State the excluded values for the rational expression. a. 3 c. –3, 3 b. 5, 5 d. 5 ____ 37. State the excluded values for each rational expression. a. 1 b. 1, 1 ____ 38. Simplify the expression. c. 3, –5 d. –3, 5 a. c. b. d. Find the product and simplify. ____ 39. a. c. b. d. a. c. b. d. ____ 40. ____ 41. Find the quotient. a. c. b. d. ____ 42. Find the quotient. a. c. b. d. ____ 43. Find the sum. a. b. c. d. ____ 44. Find the sum. a. c. b. d. ____ 45. Find the difference. a. c. b. d. ____ 46. Find the difference. a. c. b. d. ____ 47. Find the sum. a. c. b. d. ____ 48. Simplify the expression. a. c. b. d. ____ 49. Solve the equation. a. 48 c. 1 8 b. 8 ____ 50. Solve the equation. d. 48 a. 12 5 c. b. 4 3 d. 4 3 12 5 Midterm Answer Section 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: D C B C A D B C D C C A D C A C D B C A C 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: B B D B A A A B C D D B A B C D B D B C C 43. 44. 45. 46. 47. ANS: ANS: ANS: ANS: ANS: A D A B C 48. ANS: D 49. ANS: D 50. ANS: A