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Solve Quadratic Equation: x² - 2x - 13 = 0










































A Quadratic Equation is a Second Degree Polynomial Equation which has only one variable.

Its general form is:

ax² + bx + c = 0

How do I solve this?

x² - 2x - 13 = 0

Comments for Solve Quadratic Equation: x² - 2x - 13 = 0

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Mar 18, 2013
Quadratic Equation
by: Staff


Answer
Part I

The easiest way (not the only way) to solve this problem is to use the quadratic formula.


Format of quadratic equation:
Quadratic Equation - general form





Quadratic formula:

Quadratic Equation - general form






x² - 2x - 13 = 0

x = unknown

a = 1

b = -2

c = -13

Substitute the values of the coefficients a, b, and c into the quadratic formula

Quadratic Equation - Substitute the values of the coefficients a, b, and c into the quadratic formula





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Mar 18, 2013
Quadratic Equation
by: Staff


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Part II

Complete the arithmetic to find the value of "x"

Quadratic Formula - Compute the two values of x





the final answer is:

Quadratic Formula - Final Answer





A graph of the quadratic function is shown below

 Quadratic Function - f(x) = x² - 2x - 13








Thanks for writing.

Staff
www.solving-math-problems.com



Oct 01, 2015
Good post NEW
by: Isai Grant

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