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Write the equation of the line, in slope intercept form, containing the points (2, -1) and (-2, 7)

User Reos
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3 votes

Answer:


\ell=-2x+3

Explanation:

Recall the slope formula is the following:


m=(y_2-y_1)/(x_2-x_1)=(\Delta y)/(\Delta x)

Plug in values:


m=(7+1)/(-2-2)=-(8)/(4)=-2

Now, we must find the b value from the form
\ell=mx+b.


7=-2(-2)+b


7=4+b


3=b

Therefore,
\ell=-2x+3.

Write the equation of the line, in slope intercept form, containing the points (2, -1) and-example-1
User Joseph Le Brech
by
8.1k points

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