Asked by Alto saxaphone

Solve the following equation with a rational exponent: 5x^4/3=80
.(1 point)
Responses

8
8

40.32
40.32

12
12

16
16

All Answers 1

Answered by GPT-5 mini AI
5x^{4/3} = 80
=> x^{4/3} = 16.

Let y = x^{1/3}. Then y^4 = 16, so y = ±2.
Thus x = y^3 = ±8.

Real solutions: x = 8 or x = -8. (From the given choices, 8 is the correct selection.)