Simplify negative radicals

Front

What is the definition of a negative radical?

Back

A negative radical is the square root of a negative number, which can be expressed in terms of imaginary numbers.

Front

How do you simplify √-1?

Back

√-1 is defined as the imaginary unit 'i'.

Tags

CCSS.HSN.CN.A.1

Front

What is the simplified form of √-4?

Back

2i.

Front

How do you express the square root of a negative number in terms of 'i'?

Back

The square root of a negative number can be expressed as the product of 'i' and the square root of the positive counterpart.

Front

What is the simplified form of -√-8?

Back

-2i√2.

Front

What is the relationship between 'i' and negative radicals?

Back

The imaginary unit 'i' is used to represent the square roots of negative numbers.

Tags

CCSS.HSN.CN.A.1

Front

How do you simplify 2√-32?

Back

8i√2.

Front

What is the general formula for simplifying √-a where a is a positive number?

Back

√-a = i√a.

Tags

CCSS.HSN.CN.A.1

Front

What does ± mean in the context of square roots?

Back

The symbol ± indicates that there are two possible values, one positive and one negative.

Tags

CCSS.8.EE.A.2

Front

What is the simplified form of √-25?

Back

5i.