8th Grade Math Unit 5 Vocabulary: Exponents & Radicals

Multiple Choice

According to the Addition Property of Equality, what happens if you add the same number to both sides of an equation?

• The equation remains true and balanced.

• The equation becomes false.

• Only one side of the equation changes.

• The numbers cancel each other out.

Multiple Select

Select all statements that are true about additive inverses.

• The additive inverse of a number is always positive.

• The additive inverse of 7 is -7.

• Additive inverses add up to zero.

• Additive inverse means multiplying by -1.

Multiple Choice

Which property states that if you multiply both sides of an equation by the same number, the equation remains true?

• Additive Inverse

• Multiplicative Inverse

• Multiplication Property of Equality

• Rational Number

Multiple Choice

What is the multiplicative inverse of 5?

• -5

• 1/5

• 5

• 0

Fill in the Blank

A number that can be written as a fraction a/b, where a and b are integers and b ≠ 0, is called a ___ number.

Multiple Choice

What is the solution to the equation x + 4 = 9?

• x = 5

• x = 4

• x = 9

• x = 13

Multiple Select

Which of the following statements about exponents are true?

• An exponent tells how many times to multiply the base by itself.

• The base is the number being multiplied.

• 5^3 means 5 + 5 + 5.

• 5^3 equals 125.

Fill in the Blank

In the expression 5^3, the number 3 is called the ___.

Fill in the Blank

A negative exponent means take the ___ of the base raised to the positive exponent.

Multiple Choice

Which of the following numbers is a perfect cube?

• 27

• 16

• 18

• 20

Multiple Select

Select all expressions that correctly use the power of product rule.

• (2×3)² = 2² × 3²

• (2×3)² = 2³ × 3²

• (2×3)² = 2² × 3³

• (2×3)² = 2² × 3²

Multiple Choice

If you divide 2⁵ by 2³, what is the result?

• 2²

• 2⁸

• 2¹⁵

• 2¹

Multiple Choice

What does the Power of Quotient Rule state?

• When raising a quotient to a power, raise both numerator and denominator to that power.

• When raising a quotient to a power, only raise the numerator to that power.

• When raising a quotient to a power, only raise the denominator to that power.

• When raising a quotient to a power, add the numerator and denominator.

Multiple Select

Which of the following are examples of cube roots?

• ∛8 = 2

• ∛27 = 3

• √25 = 5

• √9 = 3

Fill in the Blank

The scientific notation for 4500 is ___ x 10³.

.

Formative Assessment

​This is the main portion of the grade!

This assessment was created to gauge your understanding of this presentation. The previous questions were worth 1 point each. Each question in the Formative Assessment is worth 4 points.
Good Luck!

Multiple Choice

Simplify: 5⁴ x 5^-2

• 5²

• 5⁶

• 25

• 1/25

Multiple Choice

7⁰

• 0

• 1

• 7

• undefined

Multiple Choice

Simplify: (x³)⁴

• x¹²

• x⁷

• 4x³

• x¹

Multiple Choice

Which expression is equivalent to 1 / 2⁵ ?

• 2⁵

• 2⁻⁵

• -2⁵

• 5^-2

Multiple Choice

Simplify: (3² x 5³)²

• 3² x 5⁶

• 9 × 25

• 3⁴ x 5⁵

• 15⁵

Multiple Choice

Which number is NOT a perfect square?

• 67

• 81

• 100

• 121

Multiple Choice

Solve: ∛27

• 3

• 9

• 81

• 19683

Multiple Choice

Simplify: √(36/49)

• √36 / √49

• 6/7

• 36/49

• 6√49