1.2: Lines in the Plane
In this section, you will begin the study of calculus. It is important to understand the properties and equations of straight lines since they set the tone for differential calculus.
Read this section and work through practice problems 1-9.
Watch this video on how to find the slope of a line given two points on a graph.
Watch this video on how to write the equation of a line through two points using the slope-point formula, and converting the equation to slope-intersect form.
Watch this video on how to write an equation of a circle with the given center and radius.
Watch this video on how to write an equation of a line through a point given the slope.
Watch this video on how to find the equation of a line going through a point and parallel to another line.
Watch this video on how to find the equation of a line going through a point and perpendicular to another line.
Work through the odd-numbered problems 1-29. Once you have completed the problem set, check your answers.