Unit 4A Review

What is the correct translation for this expression:

"Five less than twice a number"

• 5−n²

• 5-2n

• n²-5

• 2n-5

Tags

CCSS.6.EE.A.2A

20 - m ⋅ 3

What is the value of the expression when m=4?

• 48

• 8

• 23

• 27

Tags

CCSS.6.EE.A.2C

What is the value of the expression when a=3?

3a² - (a - 1)

• 79

• 16

• 15

• 25

Tags

CCSS.6.EE.A.2C

Evaluate: 10 - (3h + 2) when h=3

• -1

• 1

• 2

• 5

Tags

CCSS.6.EE.A.2C

x² can be combined with x

• True
• False

Tags

CCSS.7.EE.A.1

Simplify the expression:

3a + 7 -2a

• 8a

• 12a

• a + 7

• 5a + 7

Tags

CCSS.7.EE.A.1

Simplify the expression:

3x² - x + 7 + 5x +2 - 2x²

• x² + 4x + 9

• 5x² + 9

• 15

• 15x

Tags

CCSS.6.EE.A.3

2x can be combined with 3x

• True
• False

Tags

CCSS.7.EE.A.1

x² can be combined with 2x²

• True
• False

Tags

CCSS.7.EE.A.1

Simplify the expression:

7x² - 3a + 20 - 4x² +2a

• 11x² - a + 20

• 3x² - a + 20

• 2a + 20

• 3x² - a

Tags

CCSS.7.EE.A.1