the square root of a number is between 8 and 9, Which of the following could be the value of that number? Choose all that apply

A.8.6 B.74 C.80 D.81.5

Question

the square root of a number is between 8 and 9, Which of the following could be the value of that number? Choose all that apply

A.8.6  B.74  C.80  D.81.5

jim_thompson5910 · Answer

Hint: square both 8 and 9 and the answer(s) will be between those two results

whpalmer4 · Answer

Be sure to choose all that apply, don't stop after just finding one answer that works.

anonymous · Answer

Thank's for the hint i believe the answer is 74 and 80 if i am correct.

jim_thompson5910 · Answer

correct on both

jim_thompson5910 · Answer

and that's it because 8.6 is too small (less than 8^2 = 64) and 81.5 is too big (larger than 9^2 = 81)

anonymous · Answer

Everyone thank you for your help and time (:

jim_thompson5910 · Answer

yw

kenljw · Answer

8^2 < x <9^2
64 < x < 81
only choice C

whpalmer4 · Answer

@KenLJW is 64 < 74 < 81 not true?

kenljw · Answer

ok
8^2 < x^2 <9^2
8 < x < 9
but it doesn't seem to be the question, seem my first answer is correct.