Solving with Substitution

Solving with Substitution

8th Grade

9 Qs

quiz-placeholder

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Solving with Substitution

Solving with Substitution

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.EE.C.8B, HSA.REI.C.6

Standards-aligned

Created by

Anthony Clark

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4y+x=3x

y=100/20

4

10

-3

0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the following systems of equations using substitution:


2y + x = -15

x = 3y

(-3, -9)

(-9, -3)

(-3, 9)

(9, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by substitution method:

7x + y = -9

y = -3x - 5

No solution

(1, 8)

(-2, -3)

(-1, -2)

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

1 min • 1 pt

Solve the following systems of equations using substitution:


y = 8

y = -4x + 4

(8, -1)

(-28, 8)

(-1, 8)

(8, -28)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the best method to use?


y = 6x − 11

−2x − 3y = −7

Graphing

Substitution because a variable is isolated.

Elimination because both equations are in standard form.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve this system by substitution.

(1, -4)

(1, 4)

(-4, -7)

(-7, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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