# Find the Equation Using Two Points (minus three , six) , (three , minus one)

Find the Equation Using Two Points (-3,6) , (3,-1)
,
Use to calculate the equation of the line, where represents the slope and represents the y-intercept.
To calculate the equation of the line, use the format.
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.
Finding the slope .
Clarify the numerator.
First, multiply by .
Subtract from .
Clarify the denominator.
Multiply by .
Put the negative in front of the fraction.
Calculate the value of using the formula for the equation of a line.
Use the formula for the equation of a line to find .
Substitute the value of into the equation.
Substitute the value of into the equation.
Substitute the value of into the equation.
Find the value of .
Should be rewritten the equation as .
Clarify each term.
The common factor should be canceled of .
Move the leading negative in into the numerator.
Factor out of .
Factor out of .
Cancel the common factor.
Reformulate the expression.