Question

Which of the following is a true statement?
Choose one answer.
A. All square roots are irrational.
B. All decimals are irrational.
C. All non-perfect squares have irrational square roots.
D. All irrational numbers can be written as ratios of two integers.

Answer 1

C is true

Answer 2

A) \[\sqrt{4}\] is rational, so A is false

B) 0.1 can be written as \[\frac{ 1 }{ 10 }\]which is rational, so B is false

D) Pi cannot be written as a fraction, so D is false, which leaves C

C) \[\sqrt{3}\] has no rational square roots, so C is true