Expressions review

Which of the following represents twice the difference of a number and 7?

• 2x - 7
• 2(x - 7)
• 2x + 7
• 2(x + 7)

Tags

CCSS.6.EE.A.2A

three times the quantity x minus 5

• 3x - 5
• 3(x - 5)
• 5 - 3x
• 5(x - 3)

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Which is an algebraic expression for "six less than k".

• 6/k
• k/6
• 6 - k
• k - 6

Tags

CCSS.6.EE.A.2A

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five
• eight
• six
• nine

Tags

CCSS.6.EE.A.2B

(4+5) ÷ 3 x 6 - 6 

• 0
• 12
• 6
• 8

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Solve: 5³

• 25
• 125
• 15
• 243

Tags

CCSS.8.EE.A.2

Solve: 7²

• 14
• 128
• 49
• 72

Tags

CCSS.6.EE.A.2C

Evaluate 5m when m=8

• 58
• 13
• 85
• 40

Tags

CCSS.6.EE.A.2C

Evaluate 8 + g when g=28

• 36
• 288
• 20
• 828

Tags

CCSS.6.EE.A.2C

Evaluate  b⁴  when b = 2

• 4
• 16
• 8
• 24

Tags

CCSS.6.EE.A.2C