Write an equation of a line that passes through (-2,3) and (0,8)

asked Aug 11, 2019 51.8k views

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by Trace

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The slope-intercept form:

$y=mx+b\\\\m=(y_2-y_1)/(x_2-x_1)-slope\\\\b-y-intercept\ (0,\ b)$

We have the points (-2, 3) and (0, 8) → b = 8. Substitute:

$m=(8-3)/(0-(-2))=(5)/(2)=2.5\\\\y=2.5x+8$

Jayant Singh answered Aug 18, 2019

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