Solving Systems of Equations by Substitution
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
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3x + y = 1
y = 4x + 1
(0, -1)
No Solution
(0, 8)
(0, 1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The first step in solving using the substitution method is __________.
get x by itself
get y by itself
get either variable by itself
add the equations together
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a system of equations has no solution, what does the graph look like?
intersecting lines
parallel lines
skew lines
intersecting lines
Tags
CCSS.8.EE.C.8A
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many solutions?
One Solution
No solution
Infinitely Many Solutions
Tags
CCSS.8.EE.C.8A
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
y = -1x - 5
4x - 8y = 4
(-3, -2)
(5, -7)
(3, 9)
(-5, 4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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