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