Question

Which of the following values for x makes the inequality 2x−−√<5
true?(1 point)
Responses

12.5
12.5

16
16

8
8

18

Answer 1

Interpret the inequality as √(2x) < 5. Since √(2x) is nonnegative, square both sides: 2x < 25, so x < 12.5 (and x ≥ 0). From the choices, only 8 satisfies this. Answer: 8.