4.2 Graph Linear Equations in Two Variables

Before you get started, take this readiness quiz.

Evaluate $3 x + 2$ when $x = −1$.
If you missed this problem, review the reference.

Solve $3 x + 2 y = 12$ for $y$ in general.
If you missed this problem, review the reference.

Explain how you would choose three x- values to make a table to graph the line $y = \frac{1}{5} x - 2$.