NZ Level 8 (NZC) Level 3 (NCEA) [In development]
Multiply numeric surds

## Interactive practice questions

Is the following statement true or false?

$\sqrt{3^2}=\left(\sqrt{3}\right)^2$32=(3)2

True

A

False

B

True

A

False

B
Easy
Less than a minute
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Fill in the blanks by following the example:

$\sqrt{9\times4}=\sqrt{9}\times\sqrt{4}$9×4=9×4$=$=$3\times2=6$3×2=6

Fill in the blanks by following the example:

$\sqrt{9\times11}=\sqrt{9}\times\sqrt{11}$9×11=9×11$=$=$3\sqrt{11}$311

Simplify: $\sqrt{5}\times\sqrt{5}$5×5

### Outcomes

#### M8-9

Manipulate complex numbers and present them graphically

#### 91577

Apply the algebra of complex numbers in solving problems