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23 February, 00:18

A linear function has an x-intercept of 12 and a slope of 3/8. How does this function compare to the linear function that is represented by the table? X = - 2/3, - 1/6, 1/3, 5/8. Y=-3/4, - 9/16, - 3/8, - 3/16. It has the same slope and the same y-intercept. It has the same slope and a different y-intercept. It has the same y-intercept and a different slope. It has a different slope and a different y-intercept.

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  1. 23 February, 00:36
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    We rewrite the statement correctly:

    "A linear function has an y-intercept of 12 and a slope of 3/8"

    Therefore, the linear function is:

    y = (3/8) x + 12

    We look for the linear function of the table:

    y-yo = m (x-xo)

    Where,

    m = (y2-y1) / (x2-x1)

    m = (( - 3/8) - ( - 3/4)) / ((1/3) - ( - 2/3))

    m = (( - 3/8) - ( - 6/8)) / (3/3)

    m = (( - 3 + 6) / 8) / (1)

    m = 3/8

    (xo, yo) = ( - 2/3, - 3/4)

    Substituting:

    y + 3/4 = (3/8) (x + 2/3)

    y = (3/8) x + 2/8 - 3/4

    y = (3/8) x + 1/4 - 3/4

    y = (3/8) x + - 2/4

    y = (3/8) x + - 1/2

    The lines are:

    y = (3/8) x + 12

    y = (3/8) x + - 1/2

    Answer:

    It has the same slope and a different y-intercept
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