Easy Systems of Equations Elimination
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
The ordered pair that satisfies all equations in the system.
system of equations
function
graph
solution of a system
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2x - 3y = 6
7x - 3y = -9
(3,4)
(4,-3)
(-4,-3)
(-3,-4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Intersecting lines have _____ solution(s).
No
One
many
Tags
CCSS.8.EE.C.8A
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be the first step in finding the solution using elimination?
you cannot solve this using eliminiation
cross out the 2x and 3x, because when you add them, they equal 0
cross out the 2y and -2y because when you add them, they equal 0
change to slope intercept form and graph
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When you solve these equations using the elimination method, which variable will be eliminated?
The x
The y
The z
The unknown
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The coefficients of the eliminated variable must be _____.
opposites
the same
distinct
does not matter
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Look for ____ when determining which variable to eliminate. Select all that apply
same coefficeints with opposite signs
easy numbers to multiply to (common factors)
different coefficients
vertical alignment of like terms
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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