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Luden [163]
2 years ago
10

Find the equation of a line through the points (-1, 3) and (2,-5). show all work please!​

Mathematics
1 answer:
masha68 [24]2 years ago
3 0
Find the gradient so (-5-3)/(2+1) =-8/3 input it in y=mx+c and also use the coordinates from the question

So it becomes
3=-8/3 (-1) + c
C=1/3
Y=-8/3 x+1/3
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Here is you're answer:

In order to cross multiply you have to multiply the numerator and denominator of the first fraction by the bottom number of the second fraction and see if the equation is still true:

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