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2 March, 23:19

Which number cannot be a value of y if y=2xsquared - 3? 15 5 - 3 or-5

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  1. 3 March, 01:34
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    Well, the squared makes it positive

    the smallest value is

    y=2 (0) ^2-3

    y=0-3

    y=-3

    anythingn below that is not possible

    -5 is below that

    -5 is the answer
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