To find the equation of a parabola, you need some specific data points from the parabola. The following 2 scenarios describe this process. SCENARIO 1 – YOU HAVE THE VERTEX. read more…

Sometimes you are given a function on a graph and asked to find the domain and range of that function. But what are the domain and the range of a. read more…

Box plots are used to represent the 5 data items listed below graphically, which are: Lowest value in the dataset Lower Quartile (LQ) Median Upper Quartile (UQ) Highest value in. read more…

The next step after completing your Cumulative Frequency table is to draw a Cumulative Frequency Diagram; and the question that is most likely to come up is to find an. read more…

When drawing a ‘best fit’ line on a scatter diagram, you need to keep in mind a few points as these will determine whether you best fit line will be. read more…

A scatter diagram is a way of visually representing information on two variables on a graph. You can get 3 possible outcomes with scatter diagrams, these are: Positive correlation: Both. read more…

When estimating the area under a curve, you need to split the area under the curve into a number of distinct shapes; the total area of those shapes will give. read more…

Sometimes you are told that 2 quantities (or values) are directly proportional (or inversely proportional) to one another. This means that there is a relationship between the two quantities; and. read more…

## Category: Graphs

## Finding the Equation of a Parabola

To find the equation of a parabola, you need some specific data points from the parabola. The following 2 scenarios describe this process. SCENARIO 1 – YOU HAVE THE VERTEX. read more…

## Domain & Range of a Function

Sometimes you are given a function on a graph and asked to find the domain and range of that function. But what are the domain and the range of a. read more…

## Frequency Polygons

A frequency polygon is a line graph that is based on a frequency table. Frequency polygons are similar to histograms. Here is an example below.

## Box Plots

Box plots are used to represent the 5 data items listed below graphically, which are: Lowest value in the dataset Lower Quartile (LQ) Median Upper Quartile (UQ) Highest value in. read more…

## Cumulative Frequency Diagrams

The next step after completing your Cumulative Frequency table is to draw a Cumulative Frequency Diagram; and the question that is most likely to come up is to find an. read more…

## Best Fit on a Scatter Diagram

When drawing a ‘best fit’ line on a scatter diagram, you need to keep in mind a few points as these will determine whether you best fit line will be. read more…

## Scatter Diagrams

A scatter diagram is a way of visually representing information on two variables on a graph. You can get 3 possible outcomes with scatter diagrams, these are: Positive correlation: Both. read more…

## Estimate the Area under a Curve

When estimating the area under a curve, you need to split the area under the curve into a number of distinct shapes; the total area of those shapes will give. read more…

## Direct & Inverse Proportions

Sometimes you are told that 2 quantities (or values) are directly proportional (or inversely proportional) to one another. This means that there is a relationship between the two quantities; and. read more…