Question

Use graphing to find the x-coordinate of the solution to each system.

y = 2/9 x +3
y =- 10/9 x -9

A) -9
B) 9
C) 3
D) -4

Answer 1

A) -9

Explanation:

You want a graphical solution to the system of equations ...

• y = 2/9x +3
• y = -10/9x -9

Graph

The graph is attached. It shows the solution is (-9, 1).

The x-coordinate of the solution is -9.