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The curve C has equation y = x^3 - 2x^2 - x + 9, x > 0. The point P has coordinates (2, 7). Show that P lies on C.

Every point on the curve C satisfies the equation. In order to show P lies on C, we need to test if either x- or y-coordinates satisfy the equation. It is easier to subsitute x=2 into the equation.

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MP
Answered by Minh P. Maths tutor
15465 Views

What is the Verification Principle, and how does it relate to religion?

The Verification Principle is the name for a theory coined in the early 20th century by the renowned philosopher, A.J. Ayer. Ayer and his contemporaries were known as 'Logical Positivists', as their wo...

NL
8366 Views

How can I get a good grade if I just don't understand German grammar?

Check the mark scheme - when I did my A level, most of the marks were for content rather than accuracy. If the grammar rules are just not making any sense, focus on the actual points that you want to m...

CF
Answered by Charlotte F. German tutor
2852 Views

How can I improve my speaking skills?

The best way is simply to practice. If a student is uncomfortable speaking French to (or, indeed, at) their friends and family, they could just spend a few minutes, before getting up in the morning, to...

CF
Answered by Charlotte F. French tutor
3182 Views

What is creative transformational coursework?

Creative transformational coursework is a form of assessment that involves writing in the style of an author whose work you have studied. For example, a student may write an extra chapter for an Austen...

CF
4717 Views

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