How to solve define intersection.
How to use standard form of a line.
How to use point-slope form of a line.
How to graph a line in slope-intercept form.
How to find the slope of a line if given a graph.
How to use the slope-intercept form of a line.
How to solve a system of linear equations in two variables.
How to talk about the rectangular coordinate system.
How to solve a quadratic inequality using a sign chart.