Imaginary Numbers Review

Front

What is the value of i^13?

Back

i

Front

Simplify: 5i

Back

5i

Front

Calculate: (4 − 7i) − (-3 + 6i)

Back

7 − 13i

Front

What is the conjugate of -4 − 8i?

Back

-4 + 8i

Front

Simplify: (10 + 15i) - (48 - 30i)

Back

-38 + 45i

Front

Define imaginary numbers.

Back

Imaginary numbers are numbers 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

What is the value of i^2?

Back

-1

Front

What is the value of i^4?

Back

1

Front

How do you find the conjugate of a complex number?

Back

To find the conjugate of a complex number a + bi, change the sign of the imaginary part to get a - bi.

Front

What is the sum of (3 + 2i) and (1 - 4i)?

Back

4 - 2i