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Make k the subject of the formula y = egin{equation} y = ext{surd} \, 2m - k ootnote{Where a footnote can reference any relevant discussion.} ext{(Total for Question 10 is 2 marks)} - Edexcel - GCSE Maths - Question 11 - 2019 - Paper 2

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Question 11

Make-k-the-subject-of-the-formula--y-=--egin{equation}--y-=--ext{surd}-\,-2m---k---ootnote{Where-a-footnote-can-reference-any-relevant-discussion.}--ext{(Total-for-Question-10-is-2-marks)}-Edexcel-GCSE Maths-Question 11-2019-Paper 2.png

Make k the subject of the formula y = egin{equation} y = ext{surd} \, 2m - k ootnote{Where a footnote can reference any relevant discussion.} ext{(Total for ... show full transcript

Worked Solution & Example Answer:Make k the subject of the formula y = egin{equation} y = ext{surd} \, 2m - k ootnote{Where a footnote can reference any relevant discussion.} ext{(Total for Question 10 is 2 marks)} - Edexcel - GCSE Maths - Question 11 - 2019 - Paper 2

Step 1

Step 1: Rearranging the Equation

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Answer

To make k the subject of the formula, we will isolate k. Start with the equation: y=extsurd 2m−ky = ext{surd} \, 2m - k

First, we can move k to the left side by adding k to both sides: y+k=extsurd 2my + k = ext{surd} \, 2m

Step 2

Step 2: Isolating k

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Answer

Next, we rearrange the equation to isolate k: k=extsurd 2m−yk = ext{surd} \, 2m - y

Thus, k is now expressed in terms of y and m.

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