Finding the Variable
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Anthony Clark
FREE Resource
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
5x - 4y = 11
5x + 4y = -14
which variable will be eliminated?
x
y
none!!!!!!!
both
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve using Substitution (instead of elimination)
(3,8)
(8,3)
(0,2)
(2,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve using Elimination Method:
x - y = 11
2x + y = 19
(10,-1)
(-1,10)
(3,-4)
(6,7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve using Elimination Method:
4x + 9y = 28
-4x - y = -28
(-7,0)
(6,0)
(-6,0)
(7,0)
(6,7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
x
y
both
neither
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What would be the first step in finding the solution with elimination?
cross out the 3y and -3y
cross out the 4x and x
change all the signs of the second equation
add 1 and -11
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kess wants to know the effect of studying an extra 10 minutes each day has on her Math grade. In this scenario, her time studying is the...
Independent Variable
Dependent Variable
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