Question

Can some one PLEASE help me find all the real square roots of -9/16?

Answer 1

3/4

Answer 2

is it 3/4 and -3/4 or just 3/4?

Answer 3

just 3/4

Answer 4

but it's negative?

Answer 5

i is the imaginary number defined as the square root of -1 -->
i = sqrt(-1) = (-1)^1/2
knowing this, you can change sqrt(-9/16) to sqrt(-1*9/16) which equals
sqrt(-1)*sqrt(9)/sqrt(16) = i*3/4 = 3/4i