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17 February, 01:04

Write an equation in slope intercept form for the line described x-intercept - 2, y-intercept 7

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  1. 17 February, 01:30
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    The equation of line is:

    y = ax + b

    If y intercept 7

    Then, b = 7

    y = ax + 7

    Now,

    If x intercept - 2

    Then, when x = - 2

    y = 0

    0 = - 2a + 7

    -2a + 7 = 0

    -2a = - 7

    a = - 7 / - 2

    a = 7/2

    Then, The equation is:

    y = 7x/2 + 7
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