How to add complex numbers

Practice Questions

ACT Math › How to add complex numbers

Questions

6

1

Complex numbers take the form , where is the real term in the complex number and is the nonreal (imaginary) term in the complex number.

Which of the following is incorrect?

2

What is the sum of and given

and

?

3

Complex numbers take the form , where a is the real term in the complex number and bi is the nonreal (imaginary) term in the complex number.

Simplify:

4

Complex numbers take the form , where a is the real term in the complex number and bi is the nonreal (imaginary) term in the complex number.

Can you add the following two numbers: $3+7i \textup{ and } 8$ ? If so, what is their sum?

5

Suppose and

Evaluate the following expression:

$3a^3+\frac{1}{2}(2b^2)$

6

What is the solution of the following equation?

$3\left ( 8 + 5i\right ) + \frac{1}{2}\left (4 + 2i\right ) = ?$

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