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Find the missing coordinate given m = 4/3 and goes through the points (6, y) and (0,4).

1 Answer

6 votes

Here's the slope formula we'll be using


m=(y_2-y_1)/(x_2-x_1)

The two points will give us the numbers and variable that will replace the subscripted variables in the slope equation.


\begin{gathered} (4)/(3)=(4-y)/(0-6) \\ (4)/(3)=(4-y)/(-6) \\ (4)/(3)(-6)=(4-y)/(-6)(-6) \\ -8=4-y \\ -8-4=4-y-4 \\ -12=-y \\ y=12 \end{gathered}

coordinate: (6,12) and (0,4)

User Daniel Kristensen
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