7. Find the value of r so the line that passes through (-5, 2) and (3, r) has a slope of - 1/2

Andreas Hagen asked Aug 26, 2023

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16 votes

7. Find the value of r so the line that passes through (-5, 2) and (3, r) has a
slope of - 1/2

Andreas Hagen asked Aug 26, 2023

2.6k points

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14 votes

Answer:
r=-2

Explanation:

Substituting into the slope formula,

$(r-2)/(3-(-5))=-(1)/(2)\\\\(r-2)/(8)=-(1)/(2)\\\\r-2=-4\\\\r=-2$

Mirapole answered Sep 1, 2023

2.7k points

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