Intro to Elimination
Authored by Nicole Shabazz
Mathematics
9th - 12th Grade
CCSS covered
Used 10+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The solution (x, y) to a system of equations is the point where they...?
Tags
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
You can solve systems using these methods:
graphing, substitution, and elimination
rearranging, thinking, and guessing
only by graphing
only by elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which variable would be easiest to eliminate?
4x + 8y = 20
−4x + 2y = −30
x because they have equal coefficients but opposite sign
y because they have equal coefficients but opposite sign
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which variable would be easiest to eliminate?
-3x - 5y = 1
6x + 5y = -10
x because they have equal coefficients but opposite sign
y because they have equal coefficients but opposite sign
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which variable would be easiest to eliminate?
2x + 2y = -2
3x - 2y = 12
you cannot solve this using eliminiation
x because they have equal coefficients but opposite sign
y because they have equal coefficients but opposite sign
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which variables & coefficients eliminate?
x + 6y = 20
-x - 3y = -11
20 and -11
x and - x
6y and -3y
cannot be solved using elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the resulting equation after adding the 2 equations?
5x - 4y = 11
5x + 4y = -14
5x = -3
10y = -3
10x = -3
10x = -25
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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