Solving Systems by Elimination Method
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the coordinate point that is a solution to this system of equations using your method of choice.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If elimination is the method used to solve this system of equations, what is the result of the first step?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
REORDER QUESTION
1 min • 1 pt
Reorder the following Solve by elimination -katex latex="-3x-8y=20"-katex -katex latex="-5x+y=19"-katex
To eliminate, multiply the top equation by 3
Take the y=-4 you got and plug in to get x
After plugging in y, you must solve the 2 step to get (-4,-4)
You now have a one step, divide by -16
Now you can zero out the x's
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
-6x + 5y = 1
6x + 4y = -10
(1,-1)
(0,-1)
(1,1)
(-1,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the System using Elimination.
7x - y = -10
-7x + 5y = -6
(-2, -4)
(-2, -1)
(-4, -1)
(6, -8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-8x - 7y = 10
-8x + 5y = 34
answers in (x,y)
No Solution
(-3, -10)
(3, 2)
(-3, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve the system:
x + 6y = 17
-x + 3y = -8
(5, 2)
(11, 1)
(1, 11)
no solution
Tags
CCSS.8.EE.C.8B
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