3.3 Intro to Imaginaries

Front

What is the definition of an imaginary number?

Back

An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit 'i', where i is defined as the square root of -1.

Front

Back

Front

What is the principal square root of 25?

Back

5.

Front

Back

Front

What is the square root of a negative number?

Back

Front

Back

Front

What is the relationship between real numbers and imaginary numbers?

Back

Real numbers are on the horizontal axis of the complex plane, while imaginary numbers are on the vertical axis.

Front

Back

4.

Front

Back

Front

What is the definition of a complex number?

Back