What is the square root of -16? –8i –4i 4i 8i
It’s 4..because it doesn’t matter if it’s positive or negative 16, the square root will always be 4
4i Walkthrough: We need to find the value of We can write -16 = -1 × 16 Now use the rule Now we know that So we have This can be further simplified to 4i The third option is correct.
4i Step-by-step explanation:
4i Walkthrough: Negative numbers have no real square roots because a square is positive or 0. Square roots of numbers that are not perfect squares are members of irrational numbers. This means that they cannot be written as the quotient of two integers. So you have to use the “imaginary number”, ie.
there are four just use the calculator
Answer 6
we know that we replaced the value of in the expression above, so the answer is
Answer 7
The answer to your question is 4i.