Graphing lines

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Graphing lines

  1. 1. Graphing Linear EquationsGraphing Linear EquationsLinear Equations can be graphed onLinear Equations can be graphed ona Cartesian Coordinate systema Cartesian Coordinate system
  2. 2. x-axisy-axisCartesian Coordinate systemCartesian Coordinate system
  3. 3. Quadrant IQuadrant IIQuadrant III Quadrant IVx-axisy-axisOrigin
  4. 4. All points on a graph are plotted by firstAll points on a graph are plotted by firstfinding the x-coordinate and then thefinding the x-coordinate and then they-coordinatey-coordinateAll points are written in the form ( x , y )All points are written in the form ( x , y )You always graph a point starting fromYou always graph a point starting fromthethe OriginOrigin
  5. 5. Quadrant IQuadrant IIQuadrant III Quadrant IVx is positivey is positivex is negativey is positivex is negativey is negativex is positivey is negative
  6. 6. Point (3,5)
  7. 7. In order to graph a line, you need toIn order to graph a line, you need toknow either:know either:A point and theA point and theSlope of the lineSlope of the lineTwo points on theTwo points on thelinelineOROR
  8. 8. This powerpoint was kindly donated towww.worldofteaching.comhttp://www.worldofteaching.com is home to over athousand powerpoints submitted by teachers. This is acompletely free site and requires no registration. Pleasevisit and I hope it will help in your teaching.

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