Complex Numbers Addition and Subtraction

Front

What is the sum of i + 6i?

Back

7i

Front

What is the sum of 3 + 4 + 6i?

Back

7 + 6i

Front

What is the sum of 7 + i + 4 + 4?

Back

15 + i

Front

What is the sum of (4 + 3i) + (7 + 8i)?

Back

11 + 11i

Front

What is the sum of 3i + i?

Back

4i

Front

Define a complex number.

Back

A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit.

Front

What is the imaginary unit 'i'?

Back

The imaginary unit 'i' is defined as the square root of -1.

Front

How do you add complex numbers?

Back

To add complex numbers, combine the real parts and the imaginary parts separately.

Front

What is the real part of the complex number 5 + 3i?

Back

5

Front

What is the imaginary part of the complex number 5 + 3i?

Back

3i