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What is the equation of the line, in slope-intercept form, that contains the points (−1, 8) and (2, −1)?

y = −3x + 5
y = −x + 5
y = x + 5
y = −x + 3

1 Answer

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the answer would be the first one because you use the equation
m= y2 - y1 over x2 - x1. and put the numbers in to find the slope (-3) and the only one with -3 is the first one
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