Figure 1: Scatter plot showing an outcome variable (blood pressure) on the y-axis and explanatory variable (age) on the x-axis, with regression line through the plots. Credit: Technology Networks.

Linear equations can be shown on a graph. Find out how to create one in ... WATCH: How to construct a parabola A simple, step-by-step guide on how to construct a parabola from coins, aimed at ...

This is shown by the points on the line such as (10, 10) and (-4, -4). Graph A is \(y = -x\). All the coordinates have \(x\) and \(y\) values that are equal in magnitude but with opposite signs.