Review Solving Linear Equations and Solutions of Equations
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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10 questions
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1.
FILL IN THE BLANK 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
2.
FILL IN THE BLANK 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
3.
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
4.
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
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Solve for x and y
3x + 2y = 16
7x + y = 19
(-2,5)
(-2,-5)
(2,-5)
(2,5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Determine if (4, 1) is a solution for the system of equations.
y = -x + 5
y = 2x - 7
yes
no
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