Question 684137
Use (-1, 5) and y intecept 7, which is (0, 7) to find slope
{{{(5-7)/(-1-0) = -2/-1 = 2}}}
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Use (-1, 5) and (3, k) and slope to solve for 5
{{{(5-k)/(-1-3) = 2}}}
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5-k = 2(-4)
5 - k = -8
-k = -8 - 5
-k = -13
{{{highlight_green(k = 13)}}}

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