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6 May, 16:28

The graph of y=-5x^2 + 9 passes through (1,2a) in the standard (x, y) coordinate plane what is the value of a?.

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  1. 6 May, 16:51
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    First you plug everything in to get

    2a=-5 (1) ^2+9 you do the powers and multiply

    2a=-5 (1) + 9

    2a=-5+9

    2a=4

    a=2
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