College Algebra / Alg 122 · Atom · ~20 seconds
Graphing by Plotting Points
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State
The graph of an equation in two variables is every point whose coordinates make the equation true; plotting enough points reveals its shape.
Show
For y = 2x − 1: x = 0, 1, 2 gives the points (0, −1), (1, 1), (2, 3) — already lining up.
Builds on
- Nothing — this is a starting point.
Unlocks
- Nothing yet depends on this.