1. Graphing Section 2 – Rectangular Coordinate System

2. 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…

3. Coordinate System 5-55 Quadrant IQuadrant II Quadrant IIIQuadrant IV

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

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

6. y x  (0,0) (2,5)  Origin (-3, -2) 

7. Changing the Scales Plot the point  (48, 400) y x (48, 400)  400 320 240 160 80 10 20 30 40 50

8. Practice Algebra 1: Chapter 4 Section 2 Homework: