20 and -20
There are no real square roots of -256. But using complex numbers the square roots of -256 are 16i and -16i.
They are -20 and +20.
20. * * * * * Sort of. ± 20 are the square roots (not rout!) of 400.
There are two roots, both real: -13 and +13
They are called real numbers. Negative square roots must be complex numbers.
None. The square of any real number must be non-negative.
No. Negative numbers are real but their square roots are not.
0.0625 has a grand total of 2 square roots, and they're both real. They are +0.25 and -0.25
Negative numbers have no real square roots.-144 has two square roots: 12i and -12i.
20 is one of the two square roots of 400.
12 and -12. There are no additional complex roots.
The square roots of any positive real number are a positive and a negative real number. The square roots of any negative real number are a positive and a negative imaginary number. The square roots of any imaginary number or any complex number are two complex numbers.
20 and -20
Yes, they are.
-0.07 and +0.07
It is 15, -15.
When measuring distance
The real roots of what, exactly? If you mean a square trinomial, then: If the discriminant is positive, the polynomial has two real roots. If the discriminant is zero, the polynomial has one (double) real root. If the discriminant is negative, the polynomial has two complex roots (and of course no real roots). The discriminant is the term under the square root in the quadratic equation, in other words, b2 - 4ac.
All whole numbers between 1 and 400 (=20 square).
The short answer is "Nothing". In the complex domain, the number of nth roots of any real number is n. Every non-negative real number has 2 square roots. Every real number has 3 cube roots. Every non-negative real number has 2 real square roots and 2 imaginary ones. and so on. So what?
.06 and .06