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Below is a question from the Edexcel Maths Core 1 textbook, Solve the equation x^2 + 8x + 10 = 0 using completing the square.

Before we get to solving the equation, let’s first review the method completing the square. Completing the square is simply to convert an equation into the form of (x±a )^2, so it is possible to solve for x....
LZ
Answered by Lily Z. • Maths tutor
6909 Views

How should I write a conclusion to a history essay?

A conclusion should be a summary of everything you have said previously in your essay. Have a sentence stating your answer to the question, then a sentence summarising each of your points, before reinforcing...
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Answered by Ayla H. • History tutor
71830 Views

There are marks available in my exam for the fluency of writing style and argument. How can I improve the style of my writing?

This might seem like something that you either have or don’t have. That really isn’t the case at all! There are a few things that you can do to make your writing more fluent and professional. Try getting int...
SH
Answered by Samuel H. • English tutor
2836 Views

What affects the rate of reaction?

Let’s start be thinking what exactly is a reaction. It takes place as an interaction between two or more particles. For that to happen, they must get close. Really close. And fast. Fast because otherwise the...
SM
4143 Views

What are some strengths and weaknesses of Primary Data

Strengths - Primary data is reliable way to collect data because the researcher can do it again as they know the procedures, how it was collected and analysed since they did it themselves. Also, the chances ...
MA
Answered by Meg A. • Psychology tutor
63795 Views