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inv #1.notebook                                                  September 10, 2012


             Assignment:

             1­­>Alaska Homestead Graph ­ due Wednesday (9/12)




                                                                                      1
inv #1.notebook                                                      September 10, 2012

            Investigation #1:
            *FYI...
            *To plot coordinates (ordered pairs, or points on a 
            coordinate plane)...

            (x, y)

                ­the first number tells you left or right 
             (left ­ negative & right ­ positive)

               ­the second number tells you up or down
             (up ­ positive & down ­ negati ve)

            *ALWAYS start at the origin to begin plotting a point!




                                                                                          2
inv #1.notebook                                                September 10, 2012


             Coordinate Plane:
                                    Y­Axis


                          Quadrant II    Quadrant I


                                                      X­Axis



                         Quadrant III   Quadrant IV




                                                                                    3
inv #1.notebook                            September 10, 2012

                  Y       Plot these points!

                          (0, 4)

                          (­3, ­4)
                      X
                          (5, 1)

                          (­5, 1)

                          (3, ­4)

                          (0, 4)




                                                                4

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8th pre alg -inv#1--sept10

  • 1. inv #1.notebook September 10, 2012 Assignment: 1­­>Alaska Homestead Graph ­ due Wednesday (9/12) 1
  • 2. inv #1.notebook September 10, 2012 Investigation #1: *FYI... *To plot coordinates (ordered pairs, or points on a  coordinate plane)... (x, y) ­the first number tells you left or right  (left ­ negative & right ­ positive) ­the second number tells you up or down (up ­ positive & down ­ negati ve) *ALWAYS start at the origin to begin plotting a point! 2
  • 3. inv #1.notebook September 10, 2012 Coordinate Plane: Y­Axis Quadrant II Quadrant I X­Axis Quadrant III Quadrant IV 3
  • 4. inv #1.notebook September 10, 2012 Y Plot these points! (0, 4) (­3, ­4) X (5, 1) (­5, 1) (3, ­4) (0, 4) 4