Linear Systems Substitution Method
Quiz
•
Mathematics
•
7th - 9th Grade
•
Practice Problem
•
Medium
Standards-aligned
April Latham
Used 55+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: The substitution method is a way to solve systems of equations by ________________ equations within one another.
graphing
eliminating
substituting
solving
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step to using the substitution method for solving a system of equations?
Solve both equations for y.
Solve both equations for x.
Write both equations in standard form.
Solve on equation for x or y.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: If a linear system has one solution, that solution is a ______________.
line
ordered pair
equation
integer
Tags
CCSS.8.EE.C.8A
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the best choice for solving the given system?
y=4x-1
y=2x-5
Solve both equations for x.
Plug in 4x-1 for y in the second equation.
Plug in 4x-1 for x in the second equation.
Plug in 2x-5 for x in the first equation.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
T-Rob is solving the system shown. What is the solution?
(-1, 3)
(3, -1)
There is no solution.
There are infinitely many solutions.
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Angel must solve the system shown. Which first step is the best choice?
Solve the equation on the right for y.
Solve the equation on the left for x.
Solve the equation on the left for y.
Solve the equation on the right for x.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lukie is solving the system shown. What is the best choice for his next step?
Plug in -2x-2 for x in the equation on the right.
Plug in -8 for y in the equation on the left.
Plug in 5x+3y for y in the equation on the left.
Plug in -2x-2 for y in the equation on the right.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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