Factorising: Eduqas GCSE Foundation November 2018 Paper 1 Q23

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Foundation November 2018 Paper 1 Q23

EduqasFoundationCurrent spec3 marksFactorising Solving Quadratics

23.

(a) Factorise \(x^2 + 2x - 15\). [2]

(b) Write down the solutions of the equation \(x^2 + 2x - 15 = 0\). [1]

Scheme	Marks	Comments
\((x - 3)(x + 5)\)	B2	B1 for \((x \ldots 3)(x \ldots 5)\)

Scheme	Marks	Comments
3, –5	B1	Correct or correct FT; FT ‘their \((x \pm a)(x \pm b)\)’ from (a)
	(3)