Systems of Equations by Elimination Addition Subtraction
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following using elimination.
-9x-4y=-20
5x+4y=4
(-4,4)
(4,4)
(4,-4)
(-4,-4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you call "more than one equation"?
equivalent
algebraic expression
System of equations
System of inequalities
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
How do you solve a system of equations?
(CLICK ALL THAT APPLY)
graphing
elimination
substitution
nSolve
linSolve
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method would be best for solving the system shown? 3x+y=10 x-y=5
Substitution
Elimination by addition
Elimination by subtraction
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution?
(1, -1)
(-1, 1)
(0, -2)
(0, 1)
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many solutions does this system of equations have?
One Solution
No solution
Infinitely Many Solutions
Two Solutions
Tags
CCSS.8.EE.C.8A
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