Substitution

Substitution

8th Grade

8 Qs

quiz-placeholder

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 Substitution

Substitution

Assessment

Quiz

Mathematics

8th Grade

Medium

CCSS
8.EE.C.8B, HSA.REI.C.7, HSA.REI.C.9

+1

Standards-aligned

Created by

Patricia Graham

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system of equations using substitution:
y = 4
-x + 3y =8

(4, 4)
(4, -4)
(-4, 4)
(-20, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system of equations using substitution:
3x - y = -8
x = -2

(2, 2)
(-2, -14)
(-2, 2)
(2, 14)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4

(1, 7)
(7, 1)
(2, 9)
(-1, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system of equations:
y=2x
x + y = 9

(6, 3)
(3, 6)
(-3, -6)
no solution

Tags

CCSS.HSA.REI.C.7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the solution to the system?
2x + 3y = 21
  x - 3y  = -9

(3, 5)
(-3, -2)
(10.5, 7)
(-9, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

y = 5x 
3x - y = 10

(-5, -25)
(2, 10)
(-2, -1)
(5, 25)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve for x and y
y = 2x + 1
y = 4x - 1

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

Tags

CCSS.HSA.REI.C.9

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