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A curve C has the equation x^3 +x^2 -10x +8. Find the points at which C crosses the x axis.

Factorise: (x-2)(x+4)(x-1) Set equal to 0: (x-2)(x+4)(x-1) = 0 Points are (2,0) (-4,0) (1,0)
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Answered by William F. • Maths tutor
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What is the difference between short-term and long-term memory?

Memory is the ability to access information you have previously encountered and stored. This could be literally anything you have seen, heard, touched, smelled or tasted in your life ; such as the name of yo...
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Answered by Niall T. • Psychology tutor
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Is it too difficult to amend the US Constitution?

rticle 5 of the US Constitution outlines the procedures by which one may amend the Constitution. The process is deliberately designed to be difficult, it is not impossible, however it reflects the federalist...
SJ
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What are the constitutional powers of the president?

The powers of the president are laid out in Article II of the Constitution. The president has the power to propose legislation, he may do so in a number of ways; for example through his annual State of the U...
SJ
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How do you structure source based essays?

Source based essays are ones in which your own opinion shouldn't be the predominant aspect of your answer. In the introduction you should briefly identify the main points of each source, without giving away ...
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Answered by Sophie J. • History tutor
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