Question

Find the value of r so that the line that passes through (5, r) and (2, -3) has a slope of 4/3.

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Answer 1

r = 1

Explanation:

m = (y-y)/(x-x)

4/3 = (-3 - r)/(2 - 5)

4/3 = (-3 - r)/(-3)

(4/3)*-3=-3-r

-4 = -3 - r

-4+3 = - r

-1 = -r