Solving the System of Equations by Substituting
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7x + y = -20
y = 3x + 10
(-3, 1)
(-1, -3)
(-3,-7)
(-1,7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y
3x + 2y = 16
7x + y = 19
(-2,5)
(-2,-5)
(2,-5)
(2,5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tell whether the system has one solution, infinitely many solutions, or no solutions.
y = 3x + 3
y = x - 3
one solution; (-3, -6)
one solution; (3, 4)
no solutions
infinitely many solutions
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tell whether the system has one solution, infinitely many solutions, or no solutions.
y = x + 1
2x + y = 10
one solution; (-3, -6)
infinitely many solutions
no solutions
one solution; (3, 4)
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
These two lines intersect at _____
(4, -2)
(4, 2)
(-2, 4)
No solution
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the system?
(0, 3)
(1, -1)
(-3, 1)
(1, 3)
Tags
CCSS.8.EE.C.8A
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve this system by substitution.
(1, -4)
(1, 4)
(-4, -7)
(-7, -4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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