Chapter 2

Video Instruction

Section 2.1

The Distance and Midpoint Formulas

	2.1.1 - An introduction to the rectangular coordinate system; Plotting points (3:48)
	2.1.2 - The Distance Formula (9:54)
	2.1.2.5 - Determining if three points form a right triangle (5:12)

2.1.3 - The Midpoint Formula (4:34)

Section 2.2

Graphs of Equations in Two Variables; Intercepts; Symmetry

2.2.1 - Graphing equations by plotting points (8:29)

2.2.2 - Finding X and Y intercepts (6:37)

2.2.3 - Symmetry (10:59)

Section 2.3

Lines

	2.3.1 - Slope of a line and the point-slope equation of a line (10:40)
	2.3.2 - The equation of a line in slope-intercept form (5:00)

	2.3.3 - The equations of horizontal and vertical lines (7:44)
	2.3.4 - The equation of a line in general form (7:51)
	2.3.5 - Parallel and perpendicular lines (10:59)
	2.3.6 - Determining if two lines are parallel, perpendicular or neither (5:00)

Section 2.4

Circles

2.4.1 - The equation of a circle in standard form (7:08)

	2.4.2 - Completing the square to find the equation of a circle in standard form (5:46)
	2.4.3 - Finding the equation of a circle given its graph (7:30)