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Find the coordinate of the turning point of the curve y = x^2 - 10x + 7, by completing the square

First, we need to complete the square. We take the first part of the equation ignoring the constant ( + 7).  

y = x2 - 10x , we want to change the form of this equation from  x2

JP
Answered by James P. Maths tutor
10488 Views

Which organelle is expected to be found in above-average quantities in cardiac tissue and what is the purpose of this organelle?

Cardiac tissues such as those present in the heart have a high energy requirement as they must contract strongly to facilitate the transportation of blood around the body. This requires a high level of en...

HC
Answered by Harry C. Biology tutor
3437 Views

Romeo and Juliet - Live Theatre Evaluation

On the 30th September 2015 I saw Jonathan Humphçreys production of ‘Romeo and Juliet’ by William Shakespeare at the Crucible Theatre, Sheffield which is a thrust stage.
Romeo and Juliet resonates wi...

BO
Answered by Ben O. Drama tutor
3894 Views

Where might I start when writing a discursive essay in French?

The best thing to think about when writing a discursive essay is to have a clear and defined structure, whilst always keeping in mind that everything you write must be relevant to the question you are ask...

WH
Answered by William H. French tutor
2417 Views

How do you integrate ln(x) with respect to x?

Rewrite ln(x) as 1ln(x) then integrate by parts.  The formula for integration by parts is  uv' = uv -  vu', here use u = ln(x) and v' = 1.  By differentiating u we get u' = 1/x, an...

AG
Answered by Anthony G. Maths tutor
3670 Views

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