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Writing Assignment - Quadratic Equation

by Laura
(Evansville Il)











































To simplify a quadratic equation using at least 5 numbers; 0(zero), two even, and two odd. I need to show work of how it is simplified. Can someone help me? I am stumped.

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May 30, 2011
Writing Assignment - Quadratic Equation
by: Staff


The question:

To simplify a quadratic equation using at least 5 numbers; 0(zero), two even, and two odd. I need to show work of how it is simplified. Can someone help me? I am stumped.


The answer:

When this type of question is asked, it is usually a question of how to simplify a second degree polynomial for various values of x. This means various values of x (0,two even, and two odd) are substituted for the x in the equation to calculate a value for f(x):

ax² + bx + c = f(x)


However, a quadratic equation is a 2nd degree polynomial which is ALWAYS equal to zero (0). This is a completely different type of question. You are asking to solve a quadratic equation using at least 5 numbers. The only place I can put the 5 numbers is in the coefficients. I’m not sure that is what you really want.

ax² + bx + c = f(x) = 0

ax² + bx + c = 0


For purposes of this question, I’m arbitrarily assigning the following values to a, b, and c:

Using a 0

a = 0
b = 0
c = 0


0*x² + 0*x + 0 = 0

0 = 0



Using 2 even numbers

a = 1
b = 6, even number
c = 8, even number

1*x² + 6*x + 8 = 0

(x+2)(x+4) = 0

x = -2, -4


Using 2 odd numbers

a = 1, odd number
b = 2
c = 15, odd number

1*x² + 2*x - 15 = 0

(x-3)(x+5) = 0

x = 3, -5


I’m relatively certain this is not the question you intended to ask.

If you want to clarify your question with additional information, just click on comments and type in your new question.



Thanks for writing.

Staff
www.solving-math-problems.com



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