X 2 2x 4 0

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This site is best viewed with Javascript. If you are unable to turn on Javascript, please click here. Observation : No two such factors can be found!! Conclusion : Trinomial can not be factored. Our parabola opens down and accordingly has a highest point AKA absolute maximum.

X 2 2x 4 0

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This site is best viewed with Javascript. If you are unable to turn on Javascript, please click here. The middle term is, -2x its coefficient is Observation : No two such factors can be found!! Conclusion : Trinomial can not be factored. Our parabola opens up and accordingly has a lowest point AKA absolute minimum. We know this even before plotting "y" because the coefficient of the first term, 1 , is positive greater than zero. Each parabola has a vertical line of symmetry that passes through its vertex. Because of this symmetry, the line of symmetry would, for example, pass through the midpoint of the two x -intercepts roots or solutions of the parabola. That is, if the parabola has indeed two real solutions.

X 2 2x 4 0

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