Solve Simple Equations by Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x/4 = 2
x = 8
x = 2
x = 0.5
x = 6
Tags
CCSS.6.EE.B.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x - 8 = -5
x = 13
x = -13
x = 3
x = -3
Tags
CCSS.6.EE.B.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Check whether y = -3 is the solution of the equation 2y + 6 = 0
YES. y = -3 is root
NO. y = -3 is not a root
Tags
CCSS.6.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the value of x in 3x+9=99
-30
-3
30
3
Tags
CCSS.7.EE.B.4A
5.
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
6.
DROPDOWN QUESTION
1 min • 1 pt
The solution to the system of equations x + 2y = 2 and x = -4y + 2 is (a) .
(2, 0)
(0, 2)
(1, 1)
(-2, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
DROPDOWN QUESTION
1 min • 1 pt
Find the value of (x, y) that satisfies the equations by solving the system using substitution.
5x + 4y= −14
y = −7x − 15 The solution is (a) .
(-2, -1)
(0, 0)
(1, 1)
(2, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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