Curriculum Page

 

 

 

How to Solve Quadratic Equations

 

Learning Objective

  1. To learn what the quadratic formula is.
  2. To learn how to solve a quadratic formula.
  3. To learn how to graph a quadratic formula.

 

Go through and read about the Quadratic Formula at http://www.purplemath.com/modules/quadform.htm

1. State the formual

2. What do the solutions to the quadratic equation tell us?

 

Next go to http://www.purplemath.com/modules/grphquad.htm and read how to find other points that you need to graph.

3. What is the minimun or maxium point called?

4. What do you notice about the points to the right and left of the vertex?

 

Go to http://www.analyzemath.com/quadraticg/quadraticg.htm and use the Interactive Tutorial and play around with different Quadratic Equations.

5. What is the difference between a positive a value and a negative a value?

6. What happens when the c value is changed?

 

Finally go to http://www3.shastacollege.edu/math/usefulwp.htm

go to Quadratic Equations (1) and click on Applet: Equivalnce transformations. Match the related equations. Record your score

go to Graph a Function and click on Applet: recognize graphs 1. Match the equations with there graphs. Record your score