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Determine the values of a, b and c of the following quadratic equations.
1. x^2 - 6x + 8 = 0
2. x^2 - 9 = 0
3. x(x - 4) = 4
4. (x + 5) (x - 9) + 0
5. (2x - 3)^2 = 0

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a. Are all given quadratic equations in standard form?
b. If no, what did you do to write the equations into its standard form?
c. It is important to write the quadratic equations into its standard form? Why or why not?

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CHANIXXESGO

Answer:

a = 1 b = -6 c = 8 a = 1 b = 0 c = -9 a = 1 b = -4 c = -4 a = 1 b = -4 c = -45 a = 4 b = -12 c = 9 A. No, not all equations are in standard form. B. By distribution or multiplication of polynomials. C. It is very important because it makes it easier to determine the value of a, b and c.

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