Quadratic Equation

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What is the quadratic equation?
What is the standard quadratic equation?
What does this mean?
±

There are two answers.
What is "b² - 4ac" called?

the discriminant
What happens when "b² - 4ac " is positive?

You get TWO real solutions.
What happens when "b2 - 4ac" is zero?

You get ONE real solution because both answers are the same.
What happens when "b² - 4ac" is negative?

You get TWO complex solutions.
What is a complex number?
- A combination of a real number and an imaginary number.
- Real Number: almost any number you can think of
- Imaginary Number: When squared, gives a negative result

Author:	Ahnus1998
ID:	87251
Card Set:	Quadratic Equation
Updated:	2011-05-23 00:31:08
Tags:	Algebra II
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Description:	Stuff about Quadratic Equation/Formula
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