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Polynomials and Factoring

Sec. 7.6- Polynomials and Factoring
HW #5, 18, 19, 39*, 43*, 45*, 46, [47-99 e.o.o.], 100

* Also use the CFQ and Tic-Tac-Toe Methods on these

1. Wrap up 7.5 from last time.
2. Begin 7.6 Polynomials
3. Get out and vote!

Looking ahead: Next quiz will be Tuesday 11/11.

Last time: Why do the " rules " work?

Scientific Notation:
A number is written in scientific notation if it is ex pressed in the
lowing form, where 1 ≤ |a| < 10 and n is an integer:

1. Write these in scientific notation:

More Practice:

On average, approximately how much does each man, woman, and
child owe towards the national debt? (Use scientific notation to
answer this question.)

7.6-Polynomials and Factoring
What is a polynomial?

Factoring Polynomials :
Greatest Common Factor :

Questions to Consider:

1. Does x^2 + 7x – 12 factor? Why or why not?

2. Given x^2 + bx – 12, what can we replace b by so the
trinomial factors with integer coefficients ?

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