How do you simplify \sqrt { 2^ { 2} + 1. 5^ { 2} }22+1.52?

1 Answer
Mar 25, 2018

6.25

Explanation:

first, simplify the exponents.
2^2=2*2=422=22=4
1.5^2=1.5*1.5=2.251.52=1.51.5=2.25

sqrt(4+2.25)4+2.25

Then, add the numbers inside the square root
sqrt6.256.25

The sqareroot of 6.25 is 2.5, because 2.5*2.5=6.252.52.5=6.25