Question 50 Answer and Explanation _ACT December 2015 Form 72E Math Section

Question 50 Answer and Explanation _ACT December 2015 Form 72E Math Section

ACT Test Explanations Profile Exam History

Logout

50. Let a be a prime number greater than 10,000 and let $x=\sqrt{a}$ . Which of the following expressions represents a rational number?

F. $\frac{x}{2}$

G. $\sqrt{x}$

H. 2x

J. ${x}^{2}$

K. x + 2

Answer and Explanation

Your Answer is

Correct Answer is J

Explanation