Slide 1 of 9, y equals x squared plus two x subtract three. Negative four is less than or equal to x, less than or equal to two., Draw the graph of the quadratic equation 𝒚 = 𝒙² + 2𝒙 ...

If an equation can be rearranged into the form y = m x + c, then its graph will be a straight line. In the above: x + y = 3 can be rearranged as y = 3 x (which can be re-written as y = x + 3).

Now make a graph. Be sure it is an "x-y scatter" and not "line" - see how good Open Office is? They even use the dumb names that Excel uses for types of graphs. Only plot the X and Y values.

We discuss a comment on a previous post stating that the text of labels on the vertical axis of graphs must be horizontal by discussing the pros and cons of four possible positions for these labels.

This graph adds ggplot customization to a ggcharts graph. To facet by a variable, for example creating one bar chart for each year in a data set, use the facet argument.

Let's get visual. Charts and graphs can bring an eye-catching edge to your resume, especially if you're an IT sales or marketing pro looking to highlight your revenue-generating skills. Here ...