5.1: nth Roots, Rational Exponents, and Evaluating

• 2

• -2

• -3

• ±2

• -2

• 3

• 2

• 4

Match the equivalent expression, ( ³ √ 5 ) ⁴

• 5^4/3

• −5^1/4

• 5^3/4

• 5^−1/4

8^5/3

• 64

• 32

• 16

• 24

64^4/3

• 256

• 8

• 8⁴

• 2

Solve for x, (x − 5)⁴ = 256

• x = 9

• x = 1

• x = 1 and x = 9

• x = -1 and x = -9

an exponent 1/2 means

• square root

• cube root

• fourth root

• fifth root