Algebra 2 Imaginary Numbers

Front

What is the value of i^2?

Back

-1

Front

Simplify: √-25

Back

5i

Front

Simplify: √-108

Back

6i√3

Front

What is an imaginary number?

Back

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

Front

What is the imaginary unit i?

Back

i is defined as the square root of -1.

Front

What is the product of i and -i?

Back

-1

Front

Simplify: (3 + 4i) + (2 - 3i)

Back

5 + i

Front

What is the conjugate of 3 + 4i?

Back

3 - 4i

Front

What is the modulus of the complex number 3 + 4i?

Back

5 (calculated as √(3^2 + 4^2))

Front

Simplify: (2 + 3i)(1 - 2i)

Back

8 + i