### Home > CC1MN > Chapter cc13 > Lesson cc13.2.2 > Problem 3-108

3-108.

In parts (a) and (b) below, copy the vertical number lines and use them to show the solution to the problems. Homework Help ✎

Show how to find the answer to

on a number line.

See parts (a) and (b) for help.

Rachel said that

ends up being positive because two negatives always give a positive. Draw the problem on a number line, and then explain whether you agree or disagree with Rachel.

Do two negatives always make a positive?