How to tell if two variables vary directly.
How to write the equation of a graphed line.
How to graph a line using the x and y intercepts.
How to determine whether lines are parallel, perpendicular, or neither.
How to graph a line.
How to find the slope of a line if given a graph.
How to use the slope-intercept form of a line.
How to graph a line by making a table of values.
How to identify positive correlations, negative correlations, or no correlation between two variables.
What is absolute value?
How to find the slope if you're given 2 points.
How to write the equation of a line in point-slope form.
How to write the equation of a line using slope-intercept form.