8th Grade Semester Test Fall 2021

Simplify the following expression:
-6x + 4(-x - 3)

• -2x - 12
• 10x + 12
• -10x - 12
• -2x + 12

6w - 6w + 6w + 9w

• w

• 15w

• 9w

• 6w

3(2x+1)+2(x-4)

• 8x-3
• 8x+11
• 4x-5
• 8x-5

What is the value of 100⁰?

• 1
• 0
• 100

Which is equivalent to 6^-2 ?

• -36
• -12
• 1 / 36
• 1 / 12

Which expression is equivalent to (5⁶)² ?

• 5¹²
• 5⁸
• 5⁴
• 5³

Which expression is equivalent to 7¹⁵ ÷ 7⁵ ?

• 7³
• 7¹⁰
• 7²⁰
• 7⁷⁵

What is the cube root of 125?

• 5
• -5
• 25
• -25

√100

• 15
• 10
• 11
• 12

Solve each equation for x:

• 9
• 3
• 6
• 12