Explain why the square root of 89 must be between 9 and 10?
2 Answers
Jun 1, 2016
Evaluating the square of
Explanation:
Recall that the square root is the inverse operation of the square.
Then we can see that the square of
and the square of
comparing with
Doing the square root we have
We proved that the square root of
Jun 1, 2016
Explanation:
We have
and
which means that if
then