Equivalent Expressions

Use the distributive property to find an equivalent expression: 5(2f + 4)

• 10f + 4
• 10f + 9
• 10f + 20
• 30f

Tags

CCSS.6.EE.A.3

Find an equivalent expression for the given expression: 36x + 24

• 4(9x + 7)
• 4(9x + 8)
• 2(18x + 12)
• 12(3x + 3)

Tags

CCSS.6.EE.A.4

Choose the equivalent expression for the given expression: 2(r + y)

• 3ry
• 2r + y
• 2r + 2y
• 3r + 3y

Tags

CCSS.6.EE.A.4

Evaluate the given expression when a = 4 and b = 5. 
2a + 6b

• 38
• 34
• 19
• 89

Tags

CCSS.6.EE.A.2C

Simplify:

5x + 6xy - 4x + 2xy

• 8xy - x

• x + 8xy

• 9x

• 8xy - 9x

Factor the following:

45a + 90ab

• 5a(9 + 18b)

• 5(a + 18ab)

• 45a(1 + 2b)

• 9a(5 + 10b)

Did Chang simplify the following expression correctly?

3(x + 2) + 1

3x + 6 + 1

3x + 7

• Yes

• No

Tags

CCSS.6.EE.A.3

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Tags

CCSS.7.EE.A.1

3x-5x

• 2x
• 8x
• -2x
• 15x²

Tags

CCSS.7.EE.A.1

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

Tags

CCSS.7.EE.A.1