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Solving a System using Substitution

Authored by Angela Corey

Mathematics

8th Grade

20 Questions

CCSS covered

Used 8+ times

Solving a System using Substitution
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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The solution (x, y) to a system of equations is the point where they...? 

Run off the graph
Don't touch
Intersect
Exist

Tags

CCSS.8.EE.C.8B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the solution to the system of equations? 
y = 3x - 8
y = 4 - x

(3,1)
(1,3)
(-3,1)
(3,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y = -6
-3x - 6y = 24

(6, 6)
(6, -6)
(4, -6)
(-6, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system of equations by substitution.
y = -4x + 5
y =  3x - 16

(-3, -25)
(3,-7)
(11, 17)
(21, 47)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the solution?

(1, -1)
(-1, 1)
(0, -2)
(0, 1)

Tags

CCSS.8.EE.C.8A

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This system has _____ solutions

0
1
2
Infinitely many

Tags

CCSS.8.EE.C.8A

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the solution?

(1, -1)
(-1, 1)
(0, -2)
(0, 1)

Tags

CCSS.8.EE.C.8A

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