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When thinking about making a fraction out of two numbers you need to find a common denominator. With this example to be able to compare 180g and 3kg you need to find the common denominator between the two...

One to one mapping means is that there's only one value you could insert into the function that would give you a certain output. f(x) = 2x+1 is an example of one to one mapping where 3, for example, is th...

Firstly, I would ask the student if they knew what the first step was. If they did not know, I would suggest that they need to get all the x's on one side of the equation and all the numbers on one side. ...

First, we need to re-write it as e to the power something. The definition of log base e is that e^log(y) = y. We can put our expression into this equality too. So a^x = e^log(a^x), so we use log rules to ...

So in order to derive the quadratic equation we need to start with a quadratic that can represent any quadratic equation. Lets start with ax²+bx+c=0.

We will use the completing the squar...