Solving by Substitution

Solving by Substitution

9th Grade

11 Qs

quiz-placeholder

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Solving by Substitution

Solving by Substitution

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

Anthony Clark

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step in solving with substitution?

5(3x+8) = 5

5x + 2(3x+8) = 5

(3x+8) = 5

5x + 2y = (3x + 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the following system using substitution: x=-3y-17 2x+3y=-7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When solving with substitution, what is the first step?

2x - 3(3-x) = 21

2(3 - x) - 3y = 21

(2x - 3y) = 21

(3-x) = 21

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the solution to this system? Solve by substitution.
y= 4x + 3
2x - 3y = 21

(3,-9)

(-3,-9)

(-3,9)

(0,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

solve by substitution: y=3x+14
y=-4x

y=3

y=1

y= - 2

y=4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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