Sewanhaka High School
Mrs. Lidowsky, Principal
Math 8
Mr. Long, Teacher
Period:______________
Date:________________________
Name:___________________________________ (Use the back as more room to show your work.)
H.W. #44: Using Elimination to Solve a System of Equations
Directions: Answer the following questions. Show your work. Solve and check each system of equations.
1)
2)
3)
x – 4y = 16
4x + 3y = 25
3x + y = 4
y=1-x
5x + 2y = 33
x - 2y = 6
4)
5)
4x + 3y = 12
-2x + y = -16
6)
3x + 2y = 4
-2x + 2y = 24
x – 2y = -15
2x + 3y = -30
Find the value of x - y
7) Write 1
7
as a decimal.
16
8) Write 0 .15 as a fraction in simplest form.