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Ne4ueva [31]
2 years ago
8

Matematicas

Mathematics
1 answer:
Minchanka [31]2 years ago
3 0

Answer:

B

Step-by-step explanation: edge

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

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Given that line is passing through point (-5, 2) and (3, r)

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\begin{array}{l}{-\frac{1}{2}=\frac{r-2}{3-(-5)}} \\\\ {\text { Solving the above expression to get value of } r} \\\\ {=>-\frac{1}{2}=\frac{r-2}{3+5}} \\\\ {=>-8=\frac{r-2}{3+5}} \\\\ {=>-8=2(r-2)} \\\\ {=>-8=2 r-4} \\\\ {=>2 r=-8+4} \\\\ {=>2 r=-4} \\\\ {=>r=\frac{-4}{2}=-2}\end{array}

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