System of Equations Substitution Steps
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
Why does substitution help us solve a system of equations?
It changes one variable to an expression using the other variable, so we can solve an equation that only has one variable at a time.
It creates a problem with fewer steps.
It puts both equations in slope-intercept form for easy graphing.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
TRUE or FALSE:
When both equations have the same variable isolated
(both y = or both x = ),
substituting the first into the second ends up looking like
you just set the two equal to each other.
TRUE
FALSE
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which option shows the CORRECT substitution for this system?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which option shows the CORRECT substitution for this system?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which option shows the CORRECT substitution for this system?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which option shows the CORRECT substitution for this system?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which option shows the CORRECT substitution for this system?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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