Systems of Equations Elimination Addition Subtraction
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by elimination.
−8x − 10y = 20
−8x − 6y = −4
Infinite number of solutions
(6, 5)
(−6, −5)
(5, −6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system
-4x - 2y = -12
4x + 8y = -24
(6, 0)
( 6 , -6 )
( -6 , 6 )
( 3 , -3 )
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations.
x + 5y = -27
2x + 5y = -24
(3, 6)
(-3, -6)
(-3, -4)
(3, -6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and solve for y
3x - 3y = 33
x - y = 11
no solution
infinitely many solutions
(11, 0)
(-11, 22)
Tags
CCSS.8.EE.C.8B
5.
OPEN ENDED QUESTION
1 min • 1 pt
3x – y = 26
–2x – y = –24
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
OPEN ENDED QUESTION
1 min • 1 pt
Two times a number added to another number is 25. Three times the first number minus the other number is 20. Find the numbers.
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.C.8C
7.
OPEN ENDED QUESTION
1 min • 1 pt
x – y = 1
x + y = 3
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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