Solve Equations Using Substitution
9th Grade
•10 Qs
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Solve Equations Using Substitution
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step in solving a system by Substitution?
Make sure both equations are in standard form.
Make sure at least one equation is solved for one variable.
Make sure both equations are in slope-intercept form.
Make sure both equations can be solved.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(3, 4)
(4, 3)
(4, 4)
(3, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the simultaneous equations 7x+7y=-28 and -4 - 0.875x = 1y, find the solution, giving your answer as a coordinate pair
(1, -4)
(0, -4)
(0, -3)
(-4, 0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4
(1, 7)
(7, 1)
(2, 9)
(-1, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the system?
8x + 4y = 12
y = -2x + 3
(0,3)
(3,0)
No solution(parallel lines)
Infinitely many solutions
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3x - y = 11
x + y = 5
x = 4
y = 1
x = 4
y = -1
x = -4
y = 1
x = -4
y = -1
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the Simultaneous Equations: a+b= 3; a-b= -7
a=-2, b = 5
a=2, b = -5
a=2, b = 5
a=-2, b = -5
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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