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4 votes
4 votes
Find the missing coordinate given m = -5 and goes through the points (x, 3) and (5.-7).3

User EMX
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1 Answer

22 votes
22 votes

the slope is m = -5

and the two points are (x,3) & (5,-7)

now


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

put the values,


\begin{gathered} -5=(-7-3)/(5-x) \\ 5-x=(-10)/(-5) \\ 5-x=2 \\ x=5-2 \\ x=3 \end{gathered}

so the missing coordinate is at x =3

(3, 3)

User Aleks Boev
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2.7k points