7.2 Substitutions
Authored by Angelus DiFederico
Mathematics
9th Grade
CCSS covered
Used 8+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system of equations using substitution. 3x + 4y = -2 and x = -2
(-2, 1)
(-2, -1)
(1, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system of equations using substitution. 7x - 10y = -23 and x = -9
(-9, 4)
(-9, -4)
(4, -9)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system of equations by the substitution method
(-6, 30)
(-2, 10)
(44, 39)
No solution
Infinite solutions
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system of equations by substitution
y=2x
x + y = 9
(6, 3)
(3, 6)
(-3, -6)
no solution
Tags
CCSS.HSA.REI.C.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which graph represents a system of equations with infinite solutions?
None of the above
Tags
CCSS.8.EE.C.8A
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which graph represents a system of equations with no solution?
None of the above
Tags
CCSS.8.EE.C.8A
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
y = -2x + 18
y = 8
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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