C program to find out roots of quadratic equation

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C Program Enter the Student Marks and Find the Percentage and Grade

  http://ecomputernotes.com/c-program/enter-the-student-marks-and-find-the-percentage-and-grade
C Program Returns NonZero if its Arg is either a Letter or a Digit returns zero C Program Write a Program to ForEach Write a C program to is a char alphanumeric

Quadratic Formula for the TI-83 and 84

  http://www.instructables.com/id/Quadratic-Formula-for-the-TI-83-and-84/
what am I doing wrong? Jordan Dyck3 years agoReplywow i just spent the past 4 months struggaling through math only to find this after i passed MicheVonWitch4 years agoReplyhi. First open quotes (alpha, +) then put in 12 spaces (...4Step 4: Using the program To exit out of this do not hit clear!!! This will delete everything on the line! Make sure you hit 2nd then mode (quit)

c - What is a simple way to find real roots of a (cubic) polynomial? - Stack Overflow

  http://stackoverflow.com/questions/4906556/what-is-a-simple-way-to-find-real-roots-of-a-cubic-polynomial
What is THE way of doing this? I have found several closed form formulas for roots of a cubic function, but all of them use either complex numbers or lots of goniometric functions and I don't like them (and also don't know which one to choose). I need something simple; faster is better; and I know that I will eventually need to solve polynomials of higher order, so having a numerical solver would maybe help too

Quadratic Equation -- from Wolfram MathWorld

  http://mathworld.wolfram.com/QuadraticEquation.html
Amazingly, the sequence for has the recurrence equation (35) where is the number of divisors of and is the characteristic function of the square numbers. For example, for , there are four such polynomials, (31) (32) (33) (34) The following table summarizes the counts of such factorable polynomials for simple and small

  http://electrofriends.com/source-codes/software-programs/java/basic-programs/java-program-prints-real-solutions-quadratic-equation-ax2bxc-0/
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How to Find the Roots of a Quadratic Equation (with Pictures)

  http://www.wikihow.com/Find-the-Roots-of-a-Quadratic-Equation
One of the tricky things about finding the roots of a quadratic equation is that you'll usually get two correct answers (if you're doing quadratic equations for school work, don't forget to list both to get full points!) To get both answers, finish solving the equation for x, once using a + and once using a -. "Factoring" is just a term that means "finding the values that multiply together to give you something else." In this case, we're trying to break our quadratic equation down to its factors