Polynomials | Edexcel International AS Maths: Pure 1 Topic Questions 2019

1

5 marks

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(i)

3 (x^{2} + 4)

(ii)

5 y^{2} (y - 6)

(iii)

x y (2 x + 7 y)

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1a

1 mark

Expand and simplify $(2 - x) (3 x + 1) (x + 1) .$

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1b

2 marks

A square has side lengths of $(5 x - 2 y + 3)$ units. Find an expression for the length of the diagonal of the square in terms of $x$ and $y$ .

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1

5 marks

Expand and simplify

(i)

5 (x^{2} - 3) + 3 x (x + 8)

(ii)

4 y^{2} - 2 y^{2} (y - 8)

(iii)

2 x^{2} (2 x + 4) - 3 x (2 x - 7)

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1

5 marks

Expand and simplify

(i)

(x + 3)^{2} + (x - 2) (2 x + 4)

(ii)

3 x (8 - x) (3 x - 3)

(iii)

(p + 6)^{4}

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Edexcel International AS Maths: Pure 1