Topic 4 or 5 Test Review for Expressions

Equivalent Expressions

100

Select all expressions equivalent to 2/5(15−10x+20y)

• A. 6−4x+8y
• B. -6 + 4x - 8y
• C. -4x+6+8y
• D. 8 - 2x + 3y
• E. 2(3-2x+4y)

A, C, E

200

Select all expressions equivalent to 3/4(16+8s-12t)

• A. -12 - 6s + 9t
• B. 12 + 6s - 9t
• C. 6s - 9t + 12
• D. -6s + 9t - 12
• E. 3(4 + 2s - 3t)

B, C, E

300

Select all expressions equivalent to 1/4(20p+8q-12r)

• A. 3r - 2q + 3p
• B. 5p + 2q - 3r
• C. -3r + 5p + 2q
• D. -5r - 2p + 7q
• E. -2r + 3q - 5r

B, C

400

Select all expressions equivalent to 2/3(-15+12m-9n)

• A. 10 + 8m + 6n
• B. 18m + 6n
• C. -10 + 8m - 6n
• D. 2(-5 + 4m - 3n)
• E.  8m - 6n -10

C, D, E

500

Select all expressions equivalent to 1/2(10+8x−6y)

• A. 5 + 4x - 3y
• B. 9x -3
• C. 4x - 3y + 5
• D. -3y + 4x + 5
• E. 3y + 4x - 5

A, C, D

Factor Expression Using GCF

100

Consider the expression 24x−10y. Factor using the GCF.

2(12x−5y)

200

Consider the expression 42m+14n. Factor using the GCF.

14(3m+n)

300

Consider the expression 18p+27q. Factor using the GCF.

 9(2p+3q)

400

Consider the expression 50r+35s. Factor using the GCF.

5(10r+7s)

500

Consider the expression 36u-12v. Factor using the GCF.

12(3u−v)

Combine Like Terms

100

Find the equivalent expression

x - 2/3 - 1/2x

1/2x - 23

200

Find the equivalent expression

1/4x - 3/4 - 1/4x

-3/4

300

Find the equivalent expression

1/3x - 1/2 - 2/3x

-1/3x - 1/2

400

Find the equivalent expression

x - 1/4 - 3/4x

1/4x - 1/4

500

Find the equivalent expression

2/5x + 1/3 - 1/5x

1/5x + 1/3

Find the value using given variables

100

What is the value of the expression 24x - 10y

when x= -2 and y=1?

-58

200

What is the value of the expression 42m + 14n

when m= -1 and n= -1?

-56

300

What is the value of the expression 18p + 27q 

when p= 2 and q= -1

9

400

What is the value of the expression 50r + 35s 

when r= -3 and s= 2

-80

500

What is the value of the expression 36u - 12v 

when u= -2 and v= 2

-96

Represent the total amount

100

Jo has $50 in a savings account. Each week she deposits $10 in the account. Select all of the expressions that represent the total amount in the account after x weeks.

A) 50 + 10x

B) 10x + 50

C) 10(5 + x)

D) 50x + 10

E) 10(5 - x)

A, B, C

200

Dana has $30 in a savings account. Each week she withdraws $5 from the account. Select all of the expressions that represent the total amount in the account after x weeks.

A) 30 + 5x

B) 30 - 5x

C) 10(5 + x)

D) -5x + 30

E) 5(-x + 6)

B, D, E

300

Gio has $80 in a savings account. Each week he deposits $20 in the account. Select all of the expressions that represent the total amount in the account after x weeks.

A) 80 + 20x

B) 20x + 80

C) 80x + 20

D) 20(x + 4)

E) 20(4 - x)

A, B, D

400

Byron has $100 in a savings account. Each week he withdraws $10 from the account. Select all of the expressions that represent the total amount in the account after x weeks.

A) 100x + 10

B) 100x + 10

C) 100 - 10x

D) 10(-x + 10)

E) -10x + 100

C, D, E

500

Bella has $60 in a savings account. Each week she deposits $30 in the account. Select all of the expressions that represent the total amount in the account after x weeks.

A) 30 + 60x

B) 30x + 60

C) 60 + 30x

D) 60(x + 2)

E) 30(x + 2)

B, C, E