Indices: Eduqas GCSE Higher June 2022 Paper 2 Q14

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Higher June 2022 Paper 2 Q14

EduqasHigherCurrent spec3 marksIndices

14. Simplify \(\dfrac{(5x^2y)^5}{y^6}\). [3]

Mark scheme

Scheme	Marks	Comments
\(3125x^{10}y^{-1}\) or \(\dfrac{3125x^{10}}{y}\)	B3	Mark final answer. Must be a single expression B2 for any one of: any two elements of the product correct e.g. \(5^5x^{10}y^{-1}\) or \(\dfrac{3125x^{-4}}{y}\) a correct answer seen then spoiled B1 for one of: any one element of the product correct e.g. \(25x^{10}y\) sight of \(5^5x^{10}y^5\) or \(3125x^{10}y^5\) in working (from correct expansion of the bracket)
	(3)

Scheme

Marks

Comments

\(3125x^{10}y^{-1}\) or \(\dfrac{3125x^{10}}{y}\)

Mark final answer. Must be a single expression

B2 for any one of:

any two elements of the product correct
e.g. \(5^5x^{10}y^{-1}\) or \(\dfrac{3125x^{-4}}{y}\)
a correct answer seen then spoiled

B1 for one of:

any one element of the product correct
e.g. \(25x^{10}y\)
sight of \(5^5x^{10}y^5\) or \(3125x^{10}y^5\) in working (from correct expansion of the bracket)

(3)

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