04:13duration 4 minutes 13 seconds
Classifying systems of linear equations from…
Classifying systems of linear equations from graphs
Looks at the three types of graphs that can occur with a system of two linear equaltions in two variables.
03:52duration 3 minutes 52 seconds
Finding slopes of lines parallel and…
Finding slopes of lines parallel and perpendicular to a line given in the form Ax + By = C
Shows how to convert Ax + By = C to y = mx + b then what and why the slopes for parallell and perpendicular lintes are what they are.
00:43duration 43 seconds
Writing an equation of a line given its slope and…
Writing an equation of a line given its slope and y-intercept
Quick job shown of insterting the given values in the form y = mx + b
03:44duration 3 minutes 44 seconds
Finding the slope and y-intercept of a line given…
Finding the slope and y-intercept of a line given its equation in the form Ax + By = C
Demonstrates how to solve a standard form equation for y to get the slope-intercept form y = mx + b
02:16duration 2 minutes 16 seconds
Graphing a linear equation of the form y = mx
Demonstrates how to graph this tyep of equation by finding three points, but also how you can find just one point and use the slope "m" to find others.