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Quadratic Formula and Functions

Quadratic Formula and Functions

 Table of Contents

How Many Roots? Examples

Example 1

How many real number or complex number roots does the following equation have? 

y = x2 + 4x + 1

Example 2

How many real number or complex number roots does the following equation have? 

y = x2x +3

Example 3

How many real number or complex number roots does the following equation have?

y = -2x2 – 4x + 1

Example 4

How many real number or complex number roots does the following equation have?

y = -9x2 + 6x – 1

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