Properties Exponents Expressions Review

Which expression below is equivalent to 8x² + 16x?

• 8(x² + 8x)

• 8x(x + 2x)

• 8x²(1 + 2x)

• 8x(x + 2)

Which of the following correctly expands 3x³?

• 3x ⋅ 3x ⋅ 3x

• 3 ⋅ 3 ⋅ 3 ⋅ x

• 3 ⋅ x ⋅ x ⋅ x

• all of these are correct

Fill in the blank to make the statement true: -6² ___ (-6)²

• <

• =

• >

• cannot be determined

Completely expand the following: (4x³)²

• (4x ⋅ 4x ⋅ 4x) ⋅ (4x ⋅ 4x ⋅ 4x ⋅ 4x)

• (4x ⋅ 4x ⋅ 4x) ⋅ (4x ⋅ 4x ⋅ 4x)

• (4 ⋅ x ⋅ x ⋅ x) ⋅ (4 ⋅ x ⋅ x ⋅ x)

• (4 ⋅ x ⋅ x ) ⋅ (4 ⋅ x ⋅ x) ⋅ (4 ⋅ x ⋅ x)

• x⁷

• x^-5

• x^-7

• x^-13

• 
• -12x²y

• 
• -108xy²

• d⁸ / c⁶
• cd⁶
• c⁵/ d²
• cd⁸

(5³x²y⁴)⁰

• 5xy

• 1

• 0

• 5

16x¹⁰y⁷ 32x²⁴y¹² 256x²⁴y¹² 4x²⁴y¹²

• 16x¹⁰y⁷

• 32x²⁴y¹²

• 256x²⁴y¹²

• 4x²⁴y¹²

What is 52x52x52x52x52x52x52x52x52x52x52

• 52¹²

• 52¹¹

• 52¹⁰

• 52⁹

• I forgot how to do this