Top answers

What is the difference between a histogram and a bar chart? How can I find the frequency density?

In a bar chart, the vertical axis represents the frequency. On the other hand, in a histogram, it is the area which represents the frequency. Therefore, the label of the vertical axis on a histogram should b...
MC
Answered by Michelle C. • Maths tutor
9811 Views

How do I factorise a quadratic equation?

A quadratic equation is one with a squared term, like 3x 2 + 9x. If you're asked to factorise an equation like this, you need to find the highest common factor . This means that you need to find the highest ...
EA
Answered by Eden A. • Maths tutor
5099 Views

How to factorise a simple linear equation such as '9Y + 6'

Using the Example 9Y + 6 Factorising means to remove a common factor from both the ‘9Y’ term and the ‘6’ – this common factor will then be placed outside the brackets. For us to complete this question, we mu...
SL
Answered by Solomon L. • Maths tutor
14041 Views

Why is MC=MR at the profit maximizing level of output?

MC = marginal (extra) cost incurred by a firm when its production raises by one unit . MR = marginal (extra) revenue a firm receives from producing one extra unit of output . As a firm is trying to maximise ...
CC
305452 Views

How to translate a function of form y = f(x)

In a translation the graph of the function is moved in either the x or y direction. To perform a translation by amount a in the positive x direction (to the right on a graph) we replace every x in the equati...
LM
Answered by Laura M. • Maths tutor
29143 Views