Systems of Equations Which to Use
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Steffen graphed two lines in order to find the solution to a given system of equations.
What is the solution?
(-3,-8)
(-8,-3)
(3,-8)
(8,3)
Tags
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When you graph the exact same equation twice,
you will have no solution.
you will have one solution.
you will have infinite solutions.
you will graph a giraffe.
Tags
CCSS.8.EE.C.8A
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Some students want to order shirts with their school logo. One company charges $9.65 per shirt plus a setup fee of $43. Another company charges $8.40 per shirt plus a $58 fee. Which equation represents the number of shirts when both companies charge the same amount?
y = 9.65 + x
y = 8.40 + x
y = 9.65x + 43
y = 8.40x + 58
y =9.65x
y = 8.40x
y = 9.65x - 43
y = 8.40x - 58
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use substitution to solve the following system: -2x - 2y = 16 y = -8
(0, -8)
(-16, -8)
(-8, 0)
(-16, -8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use substitution to solve the following:
y = -3x + 4
x = 3
(10, 3)
(3, -5)
(3, 10)
(-5, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
x + 9y = 8
-6x - 9y = -3
(1,-1)
(1,1)
(-1,1)
(-1,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution?
1
-2
(1, 2)
(1, -1)
Tags
CCSS.8.EE.C.8B
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