Sewanhaka High School
Math 8
Name:__________________________
Mrs. Lidowsky, Principal
Mr. Long, Teacher
Per:____
Date:_____________________
H.W. #20: Ditto
DO-NOW #20: Answer the following questions. Show work.
1) Carpet cleaner A charges $61.85 plus $18 a room. Carpet cleaner B charges $19.85 plus $32 a room. Write
an equation that can be used to find the number of rooms for which the total cost of both carpet cleaners is the
same. Solve the equation.
2) Solve for x:
12
2
=
x4
5
Topic: Expressions and Equations
Main Idea: Constant Rate of Change
Aim:
RECALL
NOTES
What is a linear relationship?
Determine if the previous table demonstrates a
proportional linear relationship?
Drill:
3) Refer to Drill question #2. Determine whether a proportional relationship exists between the two
quantities.
SUMMARY: