Systems of Equations Basics
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
What is the best method to use?
y = −3x + 5
5x − 4y = −3
Graphing
Substitution
Elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the best method to use?
4x + 8y = 20
−4x + 2y = −30
Graphing
Substitution
Elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the proper way to set up the equation to begin solving by substitution?
y = 6x − 11
−2x − 3y = −7
-2(-11) -3y= -7
-2(6x-11) -3y = -7
-2x -3(11) = -7
-2x - 3(6x-11)= -7
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which variable is easiest to eliminate? 4x + 8y = 20 −4x + 2y = −30
x
y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the proper way to set up the equation to begin solving by substitution?
-7(11) -2y = -13
-7(2y +11)-2y = -13
-7x -2(11) =-13
-7x - 2(2y+11)= -13
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which variable is easiest to eliminate?
7x + 2y = 24
8x + 2y = 30
x
y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which variable is easiest to eliminate?
5x + 9y = 24
3x + 3y = 30
x
y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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