Pre-Calculus
1.Plane Analytic Geometry
, 1.1The Rectangular Coordinate System
/Cartesian coordinate system
Objectives
1. Interpret a line graph.
2. Plot ordered pairs.
3. Find ordered pairs that satisfy a given equation.
4. Graph lines.
5. Find x- and y-intercepts.
6. Recognize equations of horizontal and vertical lines
and lines passing through the origin.
7. Use the midpoint formula.
, 1.1 The Rectangular Coordinate System
Rectangular (or Cartesian, for Descartes) Coordinate System
y
8
y-axis
Origin 6
x-axis
Quadrant II 4Quadrant I
2
x
0 0
-8 -6 -4 -2 0 -2 2 4 6 8
Quadrant III -4
Quadrant IV
-6
-8
1.Plane Analytic Geometry
, 1.1The Rectangular Coordinate System
/Cartesian coordinate system
Objectives
1. Interpret a line graph.
2. Plot ordered pairs.
3. Find ordered pairs that satisfy a given equation.
4. Graph lines.
5. Find x- and y-intercepts.
6. Recognize equations of horizontal and vertical lines
and lines passing through the origin.
7. Use the midpoint formula.
, 1.1 The Rectangular Coordinate System
Rectangular (or Cartesian, for Descartes) Coordinate System
y
8
y-axis
Origin 6
x-axis
Quadrant II 4Quadrant I
2
x
0 0
-8 -6 -4 -2 0 -2 2 4 6 8
Quadrant III -4
Quadrant IV
-6
-8
