There are two roots, both real: -13 and +13
169 = 13 X 13
+13 and -13
There is no number that has more than two square roots.By definition, the "square" bit implies two.Every number has exactly:TWO square roots,THREE cube roots,FOUR quadratic roots,etc.
Because it has more than two factors and it is a square number because 13*13 = 169
A positive number has two square roots, its principal (positive) root and its negative root. This is because a negative number multiplied by a negative number equals a positive number. In this instance, the square roots of 256 are 16 and -16.
Yes, a positive square root and a negative one. For example, the two square roots of 9 are +3 and -3.
169 square feet. Multiply the two dimensions - the result is the number of square feet.
+5 and -5
The roots are 4 and 5. If you subtract the square number 16 (4X4) from the square number 25 (5X5), you would get 9.
The square root of 81 is 9. The square roots of 81 are 9 and -9.