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math

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find the slope and the y intercept of the line. Please help me I keep getting the y intercept wrong.

8x=9y + 54
I got the slope correct but I cant get the y intercept.

  • math -

    8x = 9y + 54.
    Put Eq in STD Form:
    8x - 9y = 54
    The y-Int IS the point where the graph crosses the y-axis and x = 0. Therefore, you should substitute 0 for
    x in your STD Eq and solve for y.

    8 * 0 - 9y = 54
    y = -6 = y-Int.
    P(0 , -6).

    Slope = -A/B = -8/-9 = 8/9.

  • math -

    Determine the x-intercept and y-intercept of 3x - 6y = 12.(Points : 2)
    (9, 0) and (0, -3)
    (4, 0) and (0, -2)
    (-4, 0) and (0, 4)

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