vertex of y=3(x-6)(x-3)

label Algebra
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schedule 1 Day
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how do I make a t chart with this equation?

Jul 2nd, 2014

To solve this with t-chart, simply pick some x-values and plug them into the original formula to calculate the corresponding y-values (see example below).  Once you have that, then just look for the two zeros and average them.  In this case, 3 and 6...the average of which is 4.5...so you know the x-value of the vertex is at 4.5.  Then plug that into the original equation to get -6.75.  Thus, the vertex is (4.5 , -6.75)

__X_|_Y__
    3  |   0
    4  |  -6
    5  |  -6
    6  |   0

Jul 2nd, 2014

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Jul 2nd, 2014
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Jul 2nd, 2014
Jun 24th, 2017
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