Quadratic Relations 2.3 - Solving Quadratic Equations Day 4: Solve by Quadratic Formula Monday, January 25, 20161Day 4 - Solve by Quadratic Formula.

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Presentation transcript:

Quadratic Relations Solving Quadratic Equations Day 4: Solve by Quadratic Formula Monday, January 25, 20161Day 4 - Solve by Quadratic Formula

Homework questions/review: Solve: Monday, January 25, 20162Day 4 - Solve by Quadratic Formula

There are quadratic equations we can not factor: Example: Solve for x: Check Monday, January 25, 20163Day 4 - Solve by Quadratic Formula Can we factor? Are there even any x intercepts? What is the vertex and which way is the parabola opening

We need the quadratic formula to solve an equation of the form : Monday, January 25, 20164Day 4 - Solve by Quadratic Formula

So: Monday, January 25, 20165Day 4 - Solve by Quadratic Formula

Try: Monday, January 25, Day 4 - Solve by Quadratic Formula

Try: Monday, January 25, Day 4 - Solve by Quadratic Formula

Try: Monday, January 25, Day 4 - Solve by Quadratic Formula

Try: Monday, January 25, Day 4 - Solve by Quadratic Formula

Try: Monday, January 25, Monday, January 25, Day 4 - Solve by Quadratic Formula

Try: Monday, January 25, Monday, January 25, Day 4 - Solve by Quadratic Formula

Assignment: What is the math saying? Why successful? Why not? What does Vertex and Roots mean? Accuracy? Why? Application? Why? Interesting points? Solving word problems….. Monday, January 25, Day 4 - Solve by Quadratic Formula