solving systems by substitution

solving systems by substitution

8th Grade

14 Qs

quiz-placeholder

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solving systems by substitution

solving systems by substitution

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

chuck Lohmann

Used 51+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

y = -2x + 18
y = 8

(5, 8)
(-5, 8)
(2, 8)
(-2, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve this system of equations. 
y = 2x + 1
y = 4x - 1

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

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

y = -2x + 5
y = 2x - 11

No Solution
(0, 0)
(3, -1)
(4, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What does
"solution to a system of equations"
mean?

It's the point where both equations equal zero
It's the point where graphs of both equations cross the y-axis
It's the point that solves both equations at the same time
It's the point where graphs of both equations cross the x-axis

Tags

CCSS.8.EE.C.8B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

y = 3x + 2
y - 3x = 2

no solution
infinite solutions
(0 , 0)
(2 , 2)

Tags

CCSS.8.EE.C.8B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the solution to this system of equations?
 y=x2y=x-2  
 y=2x+1y=-2x+1  

(1, -1)

(-1, 1)

(0, -2)

(2, 0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Infinite number of solutions

(0, 7)

(-5, -7)

(5, 7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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