Replace Variables

Replace Variables

6th Grade

11 Qs

quiz-placeholder

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Replace Variables

Replace Variables

Assessment

Quiz

Mathematics

6th Grade

Hard

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

+1

Standards-aligned

Created by

Anthony Clark

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What are the variables in the following expression?

3, 4, 1 and 7

z, x and y

+ and -

15

Tags

CCSS.6.EE.A.2B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Define substitute.

the number multiplied by a variable

to replace a variable with a value or an expression

a number standing alone

to find the value of an expression

Tags

CCSS.6.EE.A.2C

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

substitution

to replace one element of a mathematical equation or expression with another

S and operation symbols

an expression

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Determine which method would be the best method given the system below.


-8x - 2y = -4

y = -8x - 2

Substitution: Replace y in the top equation with -8x - 2

Elimination: Cancel out y variables right away

Substitution: Replace y in bottom equation with -8x - 2y

Elimination: Cancel out x variables right away

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine which method would be the best method given the system below.
8x - y = -8
y = 6x + 4

Substitution: Replace y in the top equation with 6x + 4

Elimination: Cancel out y variables right away

Substitution: Replace x in bottom equation with 8x - y

Elimination: Cancel out x variables right away

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine which method would be the best method given the system below.


y = 2x - 6

-7x - 4y = -6

Substitution: Replace y in the bottom equation with 2x - 6

Elimination: Cancel out y variables right away

Substitution: Replace x in bottom equation with 2x - 6

Elimination: Cancel out x variables right away

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Determine which method would be the best method given the system below.


x = 4y - 12

-14y - 8x = -12

Substitution: Replace y in the bottom equation with 4y - 12

Elimination: Cancel out y variables right away

Substitution: Replace x in bottom equation with 4y - 12

Elimination: Cancel out x variables right away

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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