Complex Numbers

Front

What does i² equal?

Back

-1

Front

What is √-36?

Back

6i

Front

Which of the following is a complex number? 1) 2 2) 4i 3) 3 + 5i 4) All of them 5) none of them

Back

All of them

Front

Write in standard form: (5 + 3i)(5 - 3i)

Back

34

Front

Complex numbers are imaginary. True or False?

Back

Sometimes

Front

What is the standard form of a complex number?

Back

a + bi, where a and b are real numbers.

Front

What is the real part of the complex number 4 + 7i?

Back

4

Front

What is the imaginary part of the complex number 3 - 2i?

Back

-2

Front

What is the conjugate of the complex number 2 + 5i?

Back

2 - 5i

Front

How do you add complex numbers?

Back

Add the real parts and the imaginary parts separately.