Finding the Variable

Finding the Variable

8th Grade

13 Qs

quiz-placeholder

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Finding the Variable

Finding the Variable

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.EE.C.8B, 6.EE.A.2B, 6.EE.A.2C

+3

Standards-aligned

Created by

Anthony Clark

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

5x - 4y = 11

5x + 4y = -14


which variable will be eliminated?

x

y

none!!!!!!!

both

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Solve using Substitution (instead of elimination)

(3,8)

(8,3)

(0,2)

(2,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Solve using Elimination Method:


x - y = 11

2x + y = 19

(10,-1)

(-1,10)

(3,-4)

(6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Solve using Elimination Method:

4x + 9y = 28

-4x - y = -28

(-7,0)

(6,0)

(-6,0)

(7,0)

(6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

x

y

both

neither

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What would be the first step in finding the solution with elimination?

cross out the 3y and -3y

cross out the 4x and x

change all the signs of the second equation

add 1 and -11

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kess wants to know the effect of studying an extra 10 minutes each day has on her Math grade. In this scenario, her time studying is the...

Independent Variable

Dependent Variable

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