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6 April, 08:06

What value of a in the equation ax - 4 = 2y would give a line with a slope of 2?

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  1. 6 April, 10:07
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    a=4

    Step-by-step explanation:

    ax - 4 = 2y

    We need to get the equation is slope intercept form y = mx+b.

    Lets solve for y

    Divide each side by 2

    a/2 x - 4/2 = 2y/2

    a/2 x - 2 = y

    or y=a/2 x - 2

    The slope is a/2 and the y intercept is - 2

    We want a slope of 2 so a/2 = 2

    a/2=2

    Multiply each side by 2

    a/2 * 2 = 2*2

    a = 4
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