NZ Level 8 (NZC) Level 3 (NCEA) [In development]
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Add and subtract numerical surds

Interactive practice questions

Since $\sqrt{12}$12 and $\sqrt{3}$3 are not like radicals, $\sqrt{12}+\sqrt{3}$12+3 cannot be simplified. True or false?

True

A

False

B

True

A

False

B
Easy
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Evaluate (to 1 decimal place if necessary):

True or False?

$2-\sqrt{2}=\sqrt{2}$22=2

Simplify: $8\sqrt{3}+18\sqrt{3}$83+183

Outcomes

M8-9

Manipulate complex numbers and present them graphically

91577

Apply the algebra of complex numbers in solving problems

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