NZ Level 8 (NZC) Level 3 (NCEA) [In development]
Surds and binomial expansions

Interactive practice questions

Expand and simplify the given expression: $\sqrt{13}\left(\sqrt{11}+2\right)$13(11+2)

Easy
Less than a minute

Expand and simplify the given expression: $\sqrt{7}\left(-5+\sqrt{5}\right)$7(5+5)

Expand and simplify given expression: $\sqrt{3}\left(3+\sqrt{5}\right)$3(3+5)

Expand and simplify the given expression: $7\sqrt{2}\left(\sqrt{7}+6\right)$72(7+6)

Outcomes

M8-9

Manipulate complex numbers and present them graphically

91577

Apply the algebra of complex numbers in solving problems