8th Grade Commonly Missed OST Review

Simplify:
(x⁵)⁴

• x⁹
• x²⁰
• x
• x⁵⁴

Tags

CCSS.8.EE.A.1

Simplify:  $\frac{5^6}{5^4}$ 

•  $5^{10}$  

•  $5^2$  

•  $5^{-2}$  

• 25

Tags

CCSS.8.EE.A.1

According to exponent rules, when we multiply the same base we _______ the exponents.

• Multiply

• Add

• Divide

• Subtract

Tags

CCSS.8.EE.A.1

According to exponent rules, when we divide the expressions we _______ the exponents.

• add
• subtract
• multiply
• divide

Tags

CCSS.8.EE.A.1

• A
• B
• C
• D

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

Tags

CCSS.8.G.A.5

Find the value of x by using the exterior angle theorem.

• A
• B
• C
• D

Tags

CCSS.8.G.A.5

Make this negative exponent positive.
9^-3

• 9³
• 1/9^-3
• 1/9³
• 729

Tags

CCSS.8.EE.A.1

10x + 9 = 4x - 9

• 0
• 3
• -3
• -18

8w - 8 = -4x + 16

• 8
• 16
• 24
• 2