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1. factorise x^2 - 9 Level 6 KS3, 2. Rearrange a (q-c) = d to make q the subject

1.Here the first task in this is to be able to identify the form of this quadratic polynomiala^2 - b^2 This format is called the difference between two squares When you get told to factorise in this form? Yo...
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Answered by Devante O. • Maths tutor
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How do I make y the subject of an equation? For example in 9x = 3x + 2y.

There are several ways we can rearrange algebraic formulae in order to change the subject. Changing the subject basically means changing the variable (letter) that we are trying to find out, so getting the l...
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Answered by Abbie J. • Maths tutor
7362 Views

How can I get a high mark in the essay for the writing section?

Here are just a few general tips to produce a strong essay. --- Read the question a few times before starting and make sure you understand what it is asking and how to best answer it - underlining key words ...
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Answered by Lisa B. • French tutor
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I’m struggling to understand the significance of context in An Inspector Calls. How do I write about context in my essay?

To gain your AO3 marks in a GCSE English exam, you must show your understanding of the context in which the text was written. To understand the established context of a piece of literature you need to answer...
BK
17472 Views

Differentiate x^x and sketch it

Write y = x^xln(y) = xln(x)1/y dy/dx = (1+ln(x)) by applying the chain rule to the LHS and product rule to the RHSdy/dx = y(1+ln(x)) Rearranging dy/dx = x^x (1+ln(x)) Substituting y=x^x into the equationNote...
JN
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