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# MATH 209 Chapter 5 Quiz 2015 version

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Math 209- College Algebra II

Quiz2

Chapter 5-Factoring

50 points

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Work the following problems. Show all your own work for maximum credit. Each problem is worth 5 points. Post your work in your individual forum.

Please put the quiz number and your name in the email subject and put the following information at the top of the assignment.

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1. Answer the following question with complete sentences:

➢ What is a prime number?

Any number divisible by itself and 1 only is called a prime number

Exception to this case is 1 which is not a prime number

➢ What does it mean to factor an expression?

Factoring an expression means taking out zeroes from an expression

For example

X2 +5x+6

It can be factored as

(x+3)(x+2)

➢ What is the ac method of factoring? Give an example.

Consider a polynomial expression of the form ax2 + bx + c.

The polynomial can be factored if there ar

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