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Maths
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How do I sketch the graph y = (x^2 + 4*x + 2)/(3*x + 1)

This is an example of a rational function. So to sketch it, we need to know three things: 1) where it crosses the x and y axis 2) Where its turning points are, if it has any 3) Where its asymptotes are, i...

AW
Answered by Alexander W. • Maths tutor
7101 Views

How to solve a simple simultaneous equation

Solving simultaneous equations: Example Question:Equation 1 --->         2y – 4x = 2Equation 2 --->         4y – 6x = 10 Find the unknown quantities, x and y. Solution:

NK
Answered by Nivedah K. • Maths tutor
5195 Views

How do you solve an equation by completing the square?

Firstly, you can only complete the square on quadratic functions (functions in the form Ax2+Bx+C)

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EJ
Answered by Emma J. • Maths tutor
5250 Views

What is compound interest and how do I calculate it?

Compound interest means, for example, the money you have put into a bank, earns interest each year, but you earn interest upon the interest that was already added last year i.e. you earn interest on t...

RF
Answered by Rocio F. • Maths tutor
11291 Views

If y = 2^x, find dy/dx

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