# Finite Math Examples

,

Step 1

Step 1.1

Use the formula for the equation of a line to find .

Step 1.2

Substitute the value of into the equation.

Step 1.3

Substitute the value of into the equation.

Step 1.4

Substitute the value of into the equation.

Step 1.5

Find the value of .

Step 1.5.1

Rewrite the equation as .

Step 1.5.2

Simplify .

Step 1.5.2.1

Multiply by .

Step 1.5.2.2

Add and .

Step 2

Now that the values of (slope) and (y-intercept) are known, substitute them into to find the equation of the line.

Step 3