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59. Which of the following has a y-intercept of 8 and an x-intercept of −4? a. 2x-y=-8 b. 2x-y=8 c. 8x-y=4 d. 4x-y=8

a. 2x-y=-8

60. A craft store has 12 identical sacks of loose buttons. Each button is perfectly circular and is either solid black, b, or solid white, w. Each sack contains 9 more black buttons than white ones. The total number of buttons in all of the sacks is 372. The number of buttons of each color in 1 sack can be found by using the following system of equations: b-w=9 12(b+w)=372 a. (11,2) b. (20,11) c. (29,20) d. (15,6)

b. (20,11)

63. The function y=7x+3 shows a relationship between x and y. If the value of x increases by 1, what happens to the value of y? a. The value of y increases by 3 b. The value of y increases by 7 c. The value of y increases by 10 d. The value of y increases by 21

b. The value of y increases by 7

62. A table of values for a linear function is shown below. What is the x-intercept? x y -2 3 0 2 2 1 4 0 a. 3 b. 2 c. 4 d. 1

c. 4

61. Which of the following graphs best represents a system of equation that has no solution?

d


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