It is 0.0625 or 1/16
Negative 4 over one, or simply negative 4.
Two, multiplied by the square root of negative one. (2i) The square root of negative 1 is purely imaginary, but mathematicians don't have much else to be imaginative about.
-4/1 (Negative four over one)
-1 + 1/12 + 1/4 = -2/3
The value of iota square is negative one because that is how it is defined. Iota is defined as the square root of negative one, or iota square must be negative one.
Your question is not very clear. Are you asking: solve for x where negative 4 over x equals negative 20. x equals 1/5 (one fifth)
It is rational and, therefore, real.
One over nine is not equal to negative four. 1/9 is equivalent to 0.11111.
-3/4 + 1/6 = -7/12
Negative four
negative one and two fifths
Yes. Every perfect square has two roots: one positive and one negative.