Solving Systems of Equations by Substitution
Authored by Jisu Chanthaphonh
Mathematics
8th - 9th Grade
Used 2+ times
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4 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system of equations:
y=2x
x + y = 9
(6, 3)
(3, 6)
(-3, -6)
no solution
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which system of equations is graphed below?
y=2x+1
y=-x+9
y=-x+9
x+y=10
y=x+3
y=x+3
y=x+3
y=x-9
y=x-9
y=1/2x+3
y=x-9
y=x-9
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the solution to the system?
2x + 3y = 21
x - 3y = -9
(4, 5)
(-3, -2)
(10.5, 7)
(-9, 3)
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the solution to the system?
x - 2y = 10
-2x+4y=8
(4, 2)
(10, -5)
No solution
(0, -5)
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