Lesson 1: Quick Review of Simple Coordinate Geometry
X and Y coordinates explained
Straight line represented in 2 ways
Dependent and independent variables on graphs
Developing table of values from given equation
Plotting points on a graph
Review questions
Lesson 2: The Straight Line Equation
Equation of a straight line – its component parts explained
Understanding the x and y intercepts
Description of slopes
Description of intercepts
Determining straight line equation from component parts
Calculating slope from points on graph
Calculating slope from intercepts
Determining the equation of a straight line from graphs
Lesson 3: Variations to Straight Line Graphs
Equation of a straight line through the origin
Graphing of an equation through the origin
Equation of a horizontal line
Graph of a horizontal line
Equation of a vertical line
Graph of a vertical line
Straight lines with positive and negative slopes
Lesson 4: Scatter Plots
Nature of scatter plots
Positive and negative slopes
Understanding correlation
Graph of various slopes and correlation
Lines of best fit
Here are a few sample questions for you to practice. The answers are given at the end.