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How to find y-intercept on a graphical calculator

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Answered by Emily H. • Maths tutor

6597 Views

How to gain an inverse function

Set f(x) = y. Then rearrange your equation to find x on it's own as some function of y. If you have a x term on both the top and bottom of a fraction then you will have to multiply the whole equation ...

Answered by William S. • Maths tutor

5104 Views

What is the chain rule, product rule and quotient rule and when do I use them?

The chain rule, product rule and quotient rule are all 3 methods of differentiating complex functions.

Chain rule

The chain rule...

Answered by Hakeem K. • Maths tutor

12372 Views

How do I calculate the rate of change of something for which I don't have an equation?

This kind of question is an application of differentiation. If t represents time, any derivative with respect to t is a rate of change. For example, if h represents the depth of water in a cubicle con...

Answered by Sam E. • Maths tutor

17590 Views

How can we determine stationary points by completing the square?

Suppose we have completed the square on y=ax^2+bx+c and attained y=a(x+p)^2+q, where a,b,c,p,q are real numbers with 'a' not equal to zero and p,q can be...

Answered by Hayk Y. • Maths tutor

15487 Views