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30 November, 13:11

Select the correct answer. Find the slope and the y-intercept of the equation 4x + 5y = - 9.

A) slope = 4/5 and x-intercept, and y-intercept - 9/5

B) slope = - 4/5 and x-intercept, and y-intercept 9/5

C) slope = - 4/5 and x-intercept, and y-intercept - 9/5

D) slope = 4/5 and x-intercept, and y-intercept 9/5

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  1. 30 November, 14:50
    0
    First, write the equation in slope-intercept form which is y=mx+b

    where y and x are coordinates, m is the slope and b is the y-intercept

    4x+5y=-9

    4x-4x+5y=-9-4x

    5y=-4x-9

    5y/5=-4x/5 - 9/5

    y=-4/5x - 9/5

    The answer is C.
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