The points (-3 r) and (9 2) lie on the line with slope 1/4. find the missing coordinate

asked Dec 18, 2023 183k views

5 votes

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7 votes

Answer: -1

Explanation:

I assume the points are (-3, r) and (9,2).

Substituting into the slope formula,

$(r-2)/(-3-9)=(1)/(4)\\\\(r-2)/(-12)=(1)/(4)\\\\r-2=-3\\\\r=-1$

Ratiorick answered Dec 23, 2023

7.8k points

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