A line graph connects individual data points that reflect numerical values. It is used to visualize the relationship between dependent and independent variables.

Determining the gradient The gradient of a linear function can be calculated from its rule, derived from a table of values, determined using two points, or found using rise over run on a graph. Below ...

Example Draw the graph of y = x 2 x 4 and use it to find the roots of the equation to 1 decimal place. Draw and complete a table of values to find coordinates of points on the graph.

Spread the loveA graph is a useful tool for visually representing data and making it easy to understand. Whether you’re working on a school project, preparing a presentation, or analyzing data for ...

Learn and revise how to solve quadratic equations by factorising, completing the square and using the quadratic formula with Bitesize GCSE Maths Edexcel.

Microsoft's Excel software for Mac can execute a number of statistical functions, including finding the y-intercept of the line formed by a set of data points.

Drill-down visualizations can be a good way to present a lot of data in a digestible format. In this example, we’ll create a graph of median home values by U.S. state using R and the highcharter ...