Systems by Elimination
7th - 9th Grade
•16 Qs
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Systems by Elimination
Quiz
•
Mathematics
•
7th - 9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Barbara White
FREE Resource
Enhance your content in a minute
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you need to do first when solving a system by elimination?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be the first step in finding the solution using elimination?
2x + 2y = -2
3x - 2y = 12
you cannot solve this using eliminiation
cross out the 2x and 3x
cross out the 2y and -2y
change to slope intercept form and graph
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What would be the first step in finding the solution with elimination?
4x + 3y = 1
x - 3y = -11
cross out the 3y and -3y
cross out the 4x and x
change all the signs of the second equation
add 1 and -11
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When you add the two equations, what is the answer?
2x + 3y = 9
-5x - 3y = -21
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the value of x in the system below?
2x + 3y = 9
-5x - 3y = -21
-3x = -12
x = ?
Tags
CCSS.HSA.REI.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Have you found the solution the the system we have been working on?
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given that x = 4, how will we find the value of y in this systems of equations.
2x + 3y = 9
5x + 3y = 21
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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