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23 October, 10:49

How would you determine which x-values to use when creating a table of values to graph a parabola?

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  1. 23 October, 11:20
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    To determine which values of x we would use for creating a graph of a parabola, we need to know where the line of symmetry, or the axis of symmetry is. For that we can use the equation:

    y = (x-h) + k, where we know h and k.

    From this equation we can see that the line of symmetry is passing trough x=h.

    And now we can determine which values do we need to add to h and to subtract from h to get values of x to create the table of values to plot a parabola.
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