### Home > INT3 > Chapter 12 > Lesson 12.1.1 > Problem 12-7

12-7.

Show that if is an integer multiple of

*, then*

Graph the equations and

*on graphing paper or use Desmos calculator.*

Where are the two equations equal?

Use the Desmos calculator below to graph the equations.

Click the link at right for the full version of the Desmos calculator: Desmos