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Why/How does differentiation work?

In order to fully understand how differentiation works, it is useful to be able to derive it. To do this, we must first consider the general curve y = f(x), we'll make this curve more specific later on. Firs...
JK
Answered by Jack K. • Maths tutor
4150 Views

Why is the area of a triangle 1/2 * b * h?

This question is more easily answered with the help of multiple diagrams, but:1) Draw a rectangle, and draw a line between the top left corner and the bottom right corner. This line divides the rectangle in ...
TD
Answered by Tutor5499 D. • Maths tutor
6136 Views

How do I factorise 12y-18

When we factorise we basically want to put an equation into brackets.Firstly we need to see what can be taken out of both parts of the equation.Both 12 and 18 divide by 6. 12/6= 2 and 18/6 = 3So we can take ...
RG
Answered by Remi G. • Maths tutor
11085 Views

Factorising and Expanding brackets

How to FACTORISE an equation: To avoid confusion; x = xx = multiplication​Take the example; 3x +18 In order to factorise we need to find a common factor for both '3x' and '18' and this number will be taken o...
JB
Answered by Josie B. • Maths tutor
7225 Views

How do I find the maximum/minimum of a function?

Suppose y is a function of x: y = f(x) At the maximum/minimum of the curve y, the first derivative of the function (with respect to x) is equal to zero: dy/dx = 0 To check whether this is a maximum or a mini...
JD
Answered by Josh D. • Maths tutor
25079 Views