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Solnce55 [7]
3 years ago
12

Find the slope of the line through each pair of points (-10,17) , (-8,-1)

Mathematics
1 answer:
svet-max [94.6K]3 years ago
4 0
Slope = (y2 - y1)/(x2 - x1) = (-1 - 17)/(-8 - (-10)) = -18/(-8 + 10) = -18/2 = -9
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The slope of the first equation has a slope of one and a y intercept of -4. The second equation has a y intercept of -2.3333 as seen when plugging in 0 for x, so the same y-intercept and same line are out of the question. This means either they have the same slope and thus are parallel or intersect at some point. A simple way to find out? Plug in 1 for x on the second. If it isn't -1.33333, which is a slope of positive 1 such as in the first equation, they WILL INTERSECT somewhere. When plugging in 1, we get
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8 0
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Vadim26 [7]

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Step-by-step explanation:

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6 0
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Am I right or wrong plz help
ElenaW [278]

you are corret i hope

i helped

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