G8

Copyright © Swun Math Grade 8 Unit 4 Lesson 9 C TE

Final Check for Understanding

(Teacher Checks Work)

Directions: Simplify. Decide if the equation has many solutions or none.

1. ─k = ─8k + 7k

Solution:

0=0; Infinite solutions

2. 6s + 3s + 7 = 4 + 9s +3

Solution:

0=0; Infinite solutions

Closure

Recap today’s lesson with one or more of the following questions:

MP2: Which numbers are easiest for you to insert into equations with multiple

variables?

MP8: What do you notice about equations that have multiple answers? What do you

notice about equations that have no answers?