# Chapter 1 - Foundations for Algebra - 1-9 Patterns, Equations, and Graphs - Lesson Check - Page 64: 2

It is a solution.

#### Work Step by Step

In order to see if something is a solution to an equation, we plug in the (x,y) point to see if the equality is correct. Thus, we plug (-3, -9) into y=3x to find: $-9=-3(3)\\\\ -9=-9$ -9 does equal -9, so this is a solution to the equation.

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