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2.04 Complex numbers and operations

Adaptive
Worksheet

Interactive practice questions

Answer the following.

a

By definition, what is the number $i$i equal to?

b

Therefore, what does $i^2$i2 equal?

Easy
< 1min

$\sqrt{-25}=5i$25=5i. True or false?

Easy
< 1min

Express $\sqrt{-36}$36 in terms of $i$i.

Easy
< 1min

Express $\sqrt{-80}$80 in terms of $i$i.

Easy
1min
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Outcomes

A2.EO.4

The student will perform operations on complex numbers.

A2.EO.4a

Explain the meaning of i.

A2.EO.4b

Identify equivalent radical expressions containing negative rational numbers and expressions in a + bi form.

A2.EO.4c

Apply properties to add, subtract, and multiply complex numbers.

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