which of the following are not rational numbers ? (Choose all that apply.)
A. /5
B. 0.666
C. 16/9
D. -30
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Answer:
A
Step-by-step explanation:
The square root of any integer that is not a perfect square will be irrational.
√5 is irrational
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Any decimal number that terminates or repeats is a rational number, regardless of sign. All of the decimal numbers shown are rational. (All terminate after a finite number of digits.)
Of course, any ratio of integers is a rational number. That's what the word "rational" means.