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# 4.1coordinates

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Algebra 1
4.1 Coordinates and Scatter Plots
p. 203 - 208

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### 4.1coordinates

1. 1. Graphing Linear Equations and Functions 4.1 Coordinates and Scatter Plots p. 203-208
2. 2. Coordinate Plane  Y-axis
3. 3. Coordinate Plane  Y-axis  X-axis
4. 4. Coordinate Plane  Y-axis  X-axis  Origin
5. 5. Coordinate Plane  Y-axis  X-axis  Origin  Quadrants II I III IV
6. 6. Plotting Points An ordered pair is like the address of a point on the coordinate plane.
7. 7. Plotting Points An ordered pair is like the address of a point on the coordinate plane. The point (3, 2) lives at 3 on the x-axis and 2 on the y-axis.
8. 8. Plotting Points  Go to 3 on the x- axis.
9. 9. Plotting Points  Go to 3 on the x- axis.  Go to 2 on the y- axis.
10. 10. Plotting Points  Go to 3 on the x- axis.  Go to 2 on the y- axis.  Find where they meet. (3, 2)
11. 11. Scatter Plots Scatter plots are used to graph pairs of data.
12. 12. Scatter Plots Scatter plots are used to graph pairs of data.  I.e., height v. weight, year v. number of students at BA.
13. 13. Scatter Plots Excel