Learning checklist You have now learned how to: Plot straight-line graphs Plot graphs of functions including quadratic functions, cubic functions and exponential functionsThe next lessons are Maths formulas Types of graphs InequalitiesStill stuck? Prepare your KS4 students for maths GCSEs success with...
Finding the gradient of a curve To find the gradient of a curve, you must draw an accurate sketch of the curve. At the point where you need to know the gradient, draw atangentto the curve. A tangent is a straight line which touches the curve at one point only. You then find the gr...
This short video shows you how to plotting a cumulative frequency curve from the frequency distribution. How to find the median and inter-quartile range. The Median Value The median of a group of numbers is the number in the middle, when the numbers are in order of magnitude. For example,...
The results can be summarised in this diagram: back to top The Sine Curve note: the sine graph starts atzero it repeats itself every360degrees y is never more than1or less than-1 a sin graph 'leads' a cos graph by 90 degrees back to top The Cosine Curve note: the cosine graph star...
Dr John Kelliher