Evaluating Nth Roots and Rational Exponents

What is the fifth root of -32?

• 2

• 4

• -2

• -4

What is the correct interpretation of a radical if no index number is specified?

• Square root

• Sixth root

• Fourth root

• Cube root

What does the sixth root of 64 evaluate to?

• -4

• -2

• 4

• 2

If you have an even root, what must you remember about the result?

• It can be both positive and negative

• It can only be positive

• It can only be negative

• It is always zero

What is the result of 125 raised to the 2/3 power?

• 10

• 5

• 25

• 50

What does the bottom number in a fractional exponent represent?

• Divisor

• Power

• Multiplier

• Root

Tags

CCSS.HSN.RN.A.2

How do you handle a negative exponent in an expression?

• Square the base

• Add 1

• Multiply by -1

• Flip to the denominator

Tags

CCSS.8.EE.A.1

What happens to the exponent when you move the base from the numerator to the denominator?

• It halves

• It becomes negative

• It becomes positive

• It doubles

Tags

CCSS.8.EE.A.1

What is the value of 35 raised to the 5/6 power?

• 19.3518

• 17.3518

• 18.3518

• 20.3518

How do you input a fractional exponent into a calculator?

• As a decimal

• As a simple fraction

• Using parentheses

• Using the square root function