Graphing Section 2 – Rectangular Coordinate System.

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Presentation transcript:

Graphing Section 2 – Rectangular Coordinate System

Graphing Our goal is to visualize the characteristics of a function: C(d) =  d Two related quantities: ______ and ______. Need a two-dimensional system to show the relationship…

Coordinate System 5-55 Quadrant IQuadrant II Quadrant IIIQuadrant IV

Points & Ordered Pairs y x Ordered Pairs look like this: ( x, y) (4, 3) (-2, - 4)  

y x Ordered Pairs look like this: ( x, y) (4, 3) (-2, - 4)   Points & Ordered Pairs

y x  (0,0) (2,5)  Origin (-3, -2) 

Changing the Scales Plot the point  (48, 400) y x (48, 400) 

Practice Algebra 1: Chapter 4 Section 2 Homework: