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

Answer 1

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

Answer 2

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

Answer 3

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

Answer 4

correct on both

Answer 5

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)

Answer 6

Everyone thank you for your help and time (:

Answer 7

yw

Answer 8

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

Answer 9

@KenLJW is 64 < 74 < 81 not true?

Answer 10

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.