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30 May, 16:55

what are the intercepts of the equation 2.5x+8y=200 and/or how can i write it in slope intercept form

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Answers (2)
  1. 30 May, 17:46
    0
    The slope is -.3125 and the y intercept is 25

    The x intercept is 80

    Step-by-step explanation:

    2.5x+8y=200

    We want to get this in slope intercept form so we will solve for y

    Subtract 2.5x from each side

    2.5x-2.5x+8y=-2.5x + 200

    8y = - 2.5x + 200

    Now divide by 8 on both sides

    8y/8 = - 2.5x/8 + 200/8

    y = -.3125x + 25

    This is in the form y = mx+b where m is the slope and b is the y intercept

    The slope is -.3125 and the y intercept is 25

    To find the x intercept, set y = 0 and solve for x

    2.5x+8y=200

    2.5x = 200

    Divide by 2.5 on each side

    2.5x/2.5 = 200/2.5

    x = 80
  2. 30 May, 20:40
    0
    To write in slope intercept form you will need to subtract the 2.5x from the left side and subtract it from the right. So you now have 8y = - 2.5x+200. Then divide 8 out of 8y and from the right side. You might need to simplify the - 2.5x over 8 out for your answer or to make it easier
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