### Home > GC > Chapter 7 > Lesson 7.3.3 > Problem 7-120

7-120.

Individually check to see if *X*, *Y*, and *Z* are on the line.

Do this by substituting the given coordinates into the original equation.

There may be more than one point correct!

*X* is on the line.

*Y* is on the line.

*Z* is not on the line.

Follow the same procedure in part (a).