Question: 35. Write an equation in point-slope form given P(0, 2) and Q(1, 3). A. y - 2 = 1(x - 0) B. y - 3
35. Write an equation in point-slope form given P(0, 2) and Q(1, 3). A. y - 2 = 1(x - 0) B. y - 3 = 1(x + 1) C. y - 2 = 1x D. y - 3 = 1(x - 1)
____ 36. Andrea is going to buy x pounds of pasta salad and y pounds of chicken salad for a party. The pasta salad costs $4 per pound, and the chicken salad costs $6 per pound. She has at most $28 to spend. Which inequality describes the relationship between x and y? A. 4x + 6y > 28 B. 4x + 6y < 28 C. 4x + 6y 28 D. 6x + 4y 28
____ 37. Simplify this expression 4(x + y) - y(x + 4). A. 1 B. 4x - xy C. xy D. 4x - xy + 8y
____ 38. Write an equation in standard form given slope = 2; P(3, 2). A. 2x - y = 4 B. 2x - y = 4 C. 2x + y = 4 D. y = 2x - 4
____ 39. Solve this inequality 9 - x 15. A. x 24 B. x 6 C. x 6 D. x 6
____ 40. Solve this equation (6x + 3) = 10 - (3x - 6). A. 8 B. 4 C. 6 D. 2
____ 41. Evaluate the expression 6c+ 5d - 4c - 3d + 3c - 6d, for c = 3, d = 4. A. 1 B. 1 C. 31 D. 20
____ 42. Write an equation in standard form given slope = ; P(1, 2). A. 3x + 4y = 5 B. 3x - 4y = 5 C. 3x - 4y = 5 D. 3x + 4y = 5
____ 43. What is the y-intercept of this equation 3x + 4y = 10 ? A. 2.5 B. -2.5 C. -10/3 D.10/3
____ 44. Solve this compound inequality 3x < 6 or 7x > 56. A. -2 < x > 8 B. x < -2 or x > 8 C. x < 8 or x >-2 D. x < -3 or x > 49
____ 45. Suppose you select a number at random from the sample space {1, 2, 3, 4, 5, 6, 7, 8, 9}. Find the theoretical probability P(a number that is an irrational number). A.1/3 B. 0 C.2/9 D.4/9
____ 46. Which of the following expressions is NOT equivalent to 4(c - d)? A. 4c + 4d B. 4d - 4c C. 7c - 6d - 11c + 10d D. 4(d - c)
____ 47. Find the slope of the line 8x + 2y = 12. A. 4 B. 2 C. -4 D. 6
____ 48. Write a direct variation equation going through (3, 3). A. y = 3x B. y = 3x C. y = -x D. y = x
____ 49. For this function, f(x) = 2x - 3, find f(3). A. 0 B. 6 C. 3 D. 2
____ 50. Is {(0, 1)), (1, 0), (2, 1), (3, 1), (4, 2)} a function? A. yes B. no
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