CK12 - Geometry

Drawa segmentconnectingthesetwo pointsand extendthat segmentin both directions,addingarrowsto

both ends.This showsthe only line that passesthroughpoints and

The otherway to grapha line is usingone pointand the slope.Startby plottingthe givenpointand using
the slopeto calculateanotherpoint.Thenyou can drawthe segmentand extendit as you did in the previous
example.

Example 8

Drawthe line that passesthrough and has a slopeof

Beginby plottingthe givenpointon a coordinategrid.

If the slopeis 3, you can interpretthat as. The fractionalexpressionmakesit easierto identifythe rise
and the run. So, the rise is 3 and the run is 1. Find and plot a pointthat leavesthe givencoordinateand
travelsup threeunitsand one unit to the right.This pointwill also be on the line.