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Solving Algebraic Equations Using Substitution

Authored by Barbara White

Mathematics

8th - 9th Grade

25 Questions

CCSS covered

Solving Algebraic Equations Using Substitution
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Two linear functions are graphed. If this is the graph of two linear functions, how many solutions will this system have?

No Solutions

Infinitely Many Solutions

Two Solutions

One solution

Tags

CCSS.8.EE.C.8B

2.

MULTIPLE CHOICE QUESTION

1 min • 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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10

(-4, -2)
(12, -34)
(4, -18)
(-2, -6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

The first step in solving using the substitution method is __________.

get x by itself
get y by itself
get either variable by itself
add the equations together

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

5 mins • 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

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve:
x = -3y - 17
2x + 3y = -7

(1, -20)
(3, 0)
(-5, -2)
(10 , -9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve:

y = -6

-3x − 6y = 24

(6, 6)

(6, -6)

(4, -6)

(-6, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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