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Find the equation of the tangent to the curve y=x^3-4x^2+2 at the point (3,-7)

y=x3-4x2+2A tangent to a curve at a specific point along the line will have excatly the same gradient as the curve at that point. For example if the point was (0,0) the tangent would...

DW
Answered by Daniel W. Maths tutor
23904 Views

Factorise 2b^2 + 6b

1 - We first need to find a common factor, something that is the same in both parts of the expression.

2 - Then we need to take this out of the expression by dividing both parts of the ex...

GA
Answered by Gadah A. Maths tutor
7027 Views

A sample of pure gold has a density of 19300 kgm^-3. If the density of a gold nucleus is 1.47x10^17Kgm^-3, discuss what this implies about the structure of the gold atom. [4 marks]

To gain all of the marks, 4 different points must be made. To begin, state what is obvious:

The density of the gold nucleus is much greater than the density of the gold atom.

...
RL
Answered by Rebecca L. Physics tutor
10197 Views

How do I use "Essere" and "Avere" in the perfect tense?

First of all, in Italian the perfect tense has a precise structure:

-The auxiliary verb, essere or avere, in his present form (Io ho, tu sei, egli ha)

-The past participle, ...

FP
Answered by Filippo P. Italian tutor
6618 Views

How do I structure an essay?

One useful way of structuring an essay is to divide it into sections as follows:

Introduction: This should use words from the question and briefly summarise what you will argue/examine/di...

ME
4252 Views

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