# Algebra Examples

, ,

Slope is equal to the change in over the change in .

Substitute in the values of the known parameters.

Rewrite the equation as .

Cancel the common factor.

Divide by .

Since , the equation will always be true.

Always true

, ,

Slope is equal to the change in over the change in .

Substitute in the values of the known parameters.

Rewrite the equation as .

Cancel the common factor.

Divide by .

Since , the equation will always be true.

Always true

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