Simplifying Radicals and Imaginary Numbers

Front

What does i² equal?

Back

-1

Tags

CCSS.HSN.CN.A.1

Front

Simplify: √(-25)

Back

±5i

Front

Simplify: √96

Back

4√6

Front

Simplify: √125

Back

5√5

Front

Simplify: √(-40)

Back

±2i√10

Front

What is the definition of an imaginary number?

Back

A number that can be written as a real number multiplied by the imaginary unit i, where i = √-1.

Tags

CCSS.HSN.CN.A.1

Front

What is the value of i³?

Back

-i

Tags

CCSS.HSN.CN.A.2

Front

What is the value of i⁴?

Back

1

Tags

CCSS.HSN.CN.A.2

Front

Simplify: √(a²)

Back

|a| (the absolute value of a)

Front

What is the principal square root of a negative number?

Back

It is expressed in terms of i, the imaginary unit.