Find the square root of 81: √81 .(1 point)
Responses
9
9
−9
negative 9
9, −9
9, negative 9
40.5
9
To find the square root of 81, you need to take the positive and negative square roots of 81.
The positive square root of 81 is 9 and the negative square root of 81 is -9.
So the square root of 81 is 9, -9.
To find the square root of 81 (√81), you can use a calculator or solve it manually.
If you want to solve it manually, you can start by thinking of a number multiplied by itself that equals 81. By trying different numbers, you'll find that 9 multiplied by itself (9 x 9) equals 81.
Therefore, the square root of 81 is 9.
Note that when finding the square root of a number, there are usually two possible answers: a positive and a negative value. In this case, -9 multiplied by -9 also equals 81. So, the square root of 81 can be both 9 and -9.