### 8.1 Solutions by Graphing

Problem #

Problem Statement

Problems Similar To

1.

Is (7, 5) a solution of the system.

$$y=8x-7\textrm{ },\textrm{ }x+y=4$$

2.

Is (2, 10) a solution of the system.

$$5x-9y=-7\textrm{ },\textrm{ }10x+6y=9$$

3.

Solve the system by graphing.

$$x-y=2\textrm{ },\textrm{ }x+y=-6$$

4.

Solve the system by graphing.

$$7x-y=-5\textrm{ },\textrm{ }3x+y=8$$

5.

Solve the system by graphing.

$$7x+5y=6\textrm{ },\textrm{ }(-7)x+y=5$$

6.

Solve the system by graphing.

$$3x+6y=7\textrm{ },\textrm{ }(-9)x+10y=6$$