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AustraliaNSW
Stage 5.1-3

2.03 Binomial expansion

Interactive practice questions

Which of the following expressions is equivalent to $\left(y-5\right)\left(y-8\right)$(y5)(y8)?

$5\left(y-8\right)-\left(y-5\right)$5(y8)(y5)

A

$y\left(y-5\right)+y-8$y(y5)+y8

B

$y\left(y-5\right)+8\left(y-8\right)$y(y5)+8(y8)

C

$y\left(y-8\right)-5\left(y-8\right)$y(y8)5(y8)

D
Easy
< 1 min

The area of the figure below is $\left(y+3\right)\left(y+6\right)$(y+3)(y+6). We want to find another expression for this area by finding the sum of the areas of the four smaller rectangles.

Easy
2 min

Fill in the blanks to make the expression true.

Easy
1 min

Fill in the blanks with a binomial to make the expression true.

Easy
< 1 min
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Outcomes

MA5.2-6NA

simplifies algebraic fractions, and expands and factorises quadratic expressions

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