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Math Help - Slope AND y-intercept!!

  1. #1
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    Arrow Slope AND y-intercept!!

    Gawsh Im stumped and I need help fast!

    I need to know the slope and the y-intercept of the following equations:

    y= 3x + 5
    y= -6x + 3
    y= -3/4x - 1
    y= 5/-4x
    y= 7 + 4x
    y= -x/5 + 6

    (Oh yah the slashes are for fractions!)
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  2. #2
    Senior Member topher0805's Avatar
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    1) y =  3x + 5

    This equation is of the form y = mx + b, where m is the slope and b is the y-intercept.

    Therefore, the slope is 3 and the y-intercept is 5.

    2) y= -6x + 3

    Same thing here. Slope is -6 and y-intercept is 3.

    3) y= -3/4x - 1

    Once again, same format. Slope is -3/4 and y-intercept is -1.

    4) y= 5/-4x

    Is this what you mean? y = \frac {-5}{4}x

    If so, the slope is \frac {-5}{4} and the y-intercept is 0.

    Basically the same thing for each one.
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