Warm-Up: January 31, 2012  Find the roots of:. Homework Questions?

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Presentation transcript:

Warm-Up: January 31, 2012  Find the roots of:

Homework Questions?

SOLVING EQUATIONS USING QUADRATIC TECHNIQUES Section 7-3

Quadratic Form  A polynomial can sometimes be written in the form  Where u some expression of x  This is called quadratic form.  Replacing the expression of x with u is called u substitution.

Example 1  Write each expression in quadratic form, if possible. Identify what “u” is.

You-Try #1  Write each expression in quadratic form, if possible. Identify what “u” is.

Example 2  Solve each polynomial equation.

Warm-Up: February 1, 2012 You-Try #2  Solve each polynomial equation.

Homework Questions?

Example 3  Solve the following equation with rational exponents

You-Try #3  Solve the following equation with rational exponents

Example 4  Solve the following radical equation

You-Try #4  Solve the following radical equation

Assignment  Page 363 #11-31 odd

Warm-Up: Groundhog Day!  Today is Groundhog Day!  It is time for the annual Groundhog Day photo of Punxsutawney Phil with some of the members of his Inner Circle.  Can you help the members find their spots in the photo? Read the clues below to place the Inner Circle members in their correct spots.  CLUES: 1. Big Chill is just to the right of Phil. 2. Stump Warden is not next to Thunder Conductor. 3. Rainmaker is not next to Thunder Conductor. 4. Rainmaker is not next to Big Chill. 5. Stump Warden is not next to Big Chill. 6. Thunder Conductor is not next to Phil. 7. Rainmaker is not next to Phil.

Classwork  Worksheet 7-1 Practice (#17-19: only do part c)  Worksheet 7-3 Practice  Answer questions on a separate sheet of paper  Both sides of the worksheet should be done before you leave class.