# Find the Equation Using Point-Slope Formula (-4,0) , (4,2)

,
Find the slope of the line between and using , which is the change of over the change of .
Slope is equal to the change in over the change in , or rise over run.
The change in is equal to the difference in x-coordinates (also called run), and the change in is equal to the difference in y-coordinates (also called rise).
Substitute in the values of and into the equation to find the slope.
Simplify.
Reduce the expression by cancelling the common factors.
Cancel the common factor of and .
Rewrite as .
Factor out of .
Reorder terms.
Factor out of .
Cancel the common factors.
Factor out of .
Factor out of .
Factor out of .
Cancel the common factor.
Rewrite the expression.
Simplify the denominator.
Multiply by .
Multiply by .
Use the slope and a given point to substitute for and in the point-slope form , which is derived from the slope equation .
Simplify the equation and keep it in point-slope form.
Solve for .
Simplify .
Apply the distributive property.
Combine and .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Reorder terms.
List the equation in different forms.
Slope-intercept form:
Point-slope form:
Find the Equation Using Point-Slope Formula (-4,0) , (4,2)

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