Solve Systems of Equations by Graphing, Elimination and Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(4, 9)
(9, 4)
Infinitely Many Solutions
No Solution
Tags
CCSS.8.EE.C.8B
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Two numbers have a sum of 217 and a difference of 85. What is the larger of the two numbers?
(a)
Tags
CCSS.8.EE.C.8C
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Two numbers have a sum of 217 and a difference of 85. What is the smaller of the two numbers?
(a)
Tags
CCSS.8.EE.C.8C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the best option below for solving this system of equations using elimination.
Multiply the first equation by -1.
Multiply the first equation by -2.
Solve the second equation for y, then substitute that expression in for y in the other equation.
No changes are necessary - this system is perfectly setup for elimination.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You decide to solve the below system of equations using elimination and first want to eliminate the x variable. Which option below would be the best first step? -4x+9y=-17 3x-4y=10
Multiply the first equation by 4 and the second equation by 9.
Multiply the first equation by -3 and the second equation by 4.
Multiply the first equation by 3 and the second equation by -4.
Multiply the first equation by 3 and the second equation by 4.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The below system of equations is setup nicely to use the _____ method.
substitution
elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which answer below shows the first step in solving the below system of equations using substitution?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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