Solving systems of equations by substitution
Quiz
•
Mathematics
•
8th - 9th Grade
•
Medium
Standards-aligned
Sophie Datwiler
Used 6+ times
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
Solve:
x = -3y - 17
2x + 3y = -7
(1, -20)
(10, 0)
(-5, -2)
(10 , -9)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
OPEN ENDED QUESTION
5 mins • 12 pts
What is the first step (1 or 2)?
1) x = -3y - 17
2) 2x + 3y = -7
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
3x + 2y = 8
-x + y = -11
(-5,6)
(6,-11)
(-6,-5)
(6,-5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
What is the solution to the system of equations?
y = 3x - 8
y = 4 - x
(3,1)
(1,3)
(3,-1)
(3,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
Solve the system of equations.
y = -5x
x + 3y = 28
(-6, 30)
(-2, 10)
(-2, 39)
No solution
Infinite solutions
Tags
CCSS.HSA.REI.C.7
6.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
Solve:
y = 8x+1
y = 6x+3
(1, 9)
(4, 14)
(0, 1)
(1, 4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
y = -6x + 5
-2x + y = 5
(-3, -6)
(0, 3)
(0, 5)
(-3, 5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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