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9-2 Algebra 1 Notes

Learn how to solve quadratic equations using graphing methods with detailed examples. Explore scenarios with two roots, double roots, and no real roots. Discover how to approximate roots using tables and calculators, with a practical rocket model example included.

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9-2 Algebra 1 Notes

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  1. 9-2 Algebra 1 Notes Solving Quadratic equations by graphing.

  2. 9-2 pg. 558 10-26e, 57-75(x3)

  3. Example 1: Two Roots Solve by graphing.

  4. Example 1: Two Roots Solve By graphing.

  5. Example 2: Double Root Solve By graphing.

  6. Example 2: Double Root Solve By graphing.

  7. Example 3: No Real Roots Solve by graphing.

  8. Example 3: No Real Roots Solve by graphing.

  9. Example 4: Approximate Roots with a table Solve By graphing.

  10. Example 4: Approximate Roots with a table Solve By graphing.

  11. Example 5: Approximate Roots with a Calculator MODEL ROCKETS Consuela built a model rocket for her science project. The equation models the flight of the rocket launched from ground level at a velocity of 250 feet per second, where is the height of the rocket in feet after seconds. Approximately how long was Consuela’s rocket in the air?

  12. Example 5: Approximate Roots with a Calculator MODEL ROCKETS Consuela built a model rocket for her science project. The equation models the flight of the rocket launched from ground level at a velocity of 250 feet per second, where is the height of the rocket in feet after seconds. Approximately how long was Consuela’s rocket in the air?

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