

Solving Systems of Equations with Substitution
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Jackson Turner
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is being introduced in this video for solving systems of equations?
Factoring
Graphing
Substitution
Elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a system of equations by substitution?
Graph the equations
Add the equations together
Isolate one of the variables
Multiply both equations
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example where y is already isolated, what is the value of x after solving the equation 5x - 3(2x - 8) = 22?
x = 2
x = -4
x = -2
x = 4
Tags
CCSS.8.EE.C.7B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After finding x = 2 in the first example, what is the corresponding value of y?
y = -2
y = 2
y = -4
y = 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the new equation after isolating x in the equation x - 3y = 1?
x = -3y - 1
x = 3y + 1
x = -3y + 1
x = 3y - 1
Tags
CCSS.6.EE.C.9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of y after solving the equation -2y - 3 = 1 in the second example?
y = 2
y = 4
y = -2
y = -4
Tags
CCSS.7.EE.B.4A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the third example, what is the value of y after solving the equation -9y - 20 = 7?
y = 3
y = -2
y = -3
y = 2
Tags
CCSS.7.EE.B.4A
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