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20 June, 20:32

Find all real zeros of the function y=-7x+8

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  1. 20 June, 21:00
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    This equation is a line so we expect it to cross at least once.

    Set y=0 since on the x-axis y=0 and that is where we need to see when it crosses or touches.

    y=-7x+8

    0=-7x+8

    -8+0=-7x+8-8

    -8=-7x

    -8/-7=-7x/-7

    8/7=x

    Real zeros 8/7
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