0

# How do you do square roots with negatives?

Updated: 9/26/2023

Wiki User

6y ago

Treat it like a positive and add an i.

Explanation: The square root of negative nine is equal to the square root of nine times negative one is equal to the square root of nine times the square root of negative one. The square root of negative one represented by an italic lower case i. The square root of negative nine is 3i.

√-9 = √9 * -1 = √9 * √-1 = 3i

Wiki User

6y ago

Earn +20 pts
Q: How do you do square roots with negatives?
Submit
Still have questions?
Related questions

### What is the integer of -square root of 9?

The square roots of 9 are +3 and -3. The integers of their negatives are -3 and +3 respectively.

### What are the two square roots of 625?

Any positive number has two square roots, a positive square root and its negative equivalent. This is because two negatives multiplied together equal a positive. In this instance, sqrt(625) = &Acirc;&plusmn;25 (that is, 25 and -25).

### Why are 5 and -5 both considered square roots of 25?

(-5)^2 = (-5)(-5) = 25 The negatives cancel one another out.

### Why don't negative numbers have square roots?

They can, but they are called imaginary numbers. This is because a "square" of something is the number that, when multiplied by itself, will equal the first number. A negative multiplied by a negative equals a positive, and positives can't turn into negatives on their own, so there are no square roots of negative numbers.

### What is the square root of 11449?

The square roots are -1.07 and +1.07The square roots are -1.07 and +1.07The square roots are -1.07 and +1.07The square roots are -1.07 and +1.07

### What is the square root of 2 square inches?

square inches do not have square roots only number have square roots.

### What is the difference between perfect and nonperfect square roots?

Perfect square roots are square roots that have a whole number that can go into it perfectly. Nonperfect square roots are square roots that have decimal numbers going into it. Example: Perfect Square Root: 144- Square Root: 12 Nonperfect Square Root: 24- Square Root: About 4.89

### What is the Square root of 160?

Negative numbers do not have square roots. Multiplying any number by itself will always be a positive number. For example, -1 x -1 is 1. Because two negatives cancel themselves out, and regular numbers are always positive.

### Are all square roots of even numbers rational?

No. The square roots 8 are irrational, as are the square roots of most even numbers.

### What are square roots of 64?

The square roots of 64 are +8 and -8.

### What do you call nonnegative square roots?

You call them principal square roots.

### What are the square roots of 8100?

The square roots of 8100 are 90, -90