8th grade semester review

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

Tags

CCSS.6.EE.A.2C

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

Tags

CCSS.6.EE.A.2B

Which expression is equivalent to
v + v + v + v + v?

• 5v
• v⁵
• v + 5
• v5

Tags

CCSS.6.EE.A.4

Which expression is equivalent to:
d + d + d + 3 + 2

• 3d + 5
• d + 5
• 2d + 7
• 3d + 4

Tags

CCSS.6.EE.A.4

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

Tags

CCSS.7.EE.A.1

Rewrite the expression by combining like terms.
4x² – 2x² + 2y + 6y² – y + x²

• 3x² + 3xy + 6y
• 6y² + 2xy + 2x
• 7x² + 35x
• 3x² + 7y² + y

-2x + 11 + 6x

• 8x+11
• 4x +11
• 4x
• 15x

Tags

CCSS.7.EE.A.1

What is the first step of simplifying 7 + 2(x + 4) ?

• Distribute the 2 by multiplying

• Adding 7

Tags

CCSS.6.EE.A.3

What is 7 + 2(x + 4) simplified?

• 2x + 15

• 9x + 11

Tags

CCSS.6.EE.A.3

Whenever you see a number outside the parentheses, you should

• divide

• multiply

Tags

CCSS.7.EE.A.1