Select the description that is true of the equation 3x + y =9 x-intercept equals x-intercept equals y-intercept equals 3

Question

Select the description that is true of the equation 3x + y =9
x-intercept equals
x-intercept equals
y-intercept equals 3
y-intercept equals 9

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Harper 2 weeks 2021-09-09T12:55:32+00:00 1 Answer 0

Answers ( )

    0
    2021-09-09T12:56:38+00:00

    Answer:

    x-intercept equals 3

    y-intercept equals 9

    Step-by-step explanation:

    we have

    3x+y=9

    step 1

    Find the y-intercept

    The y-intercept is the value of y when the value of x is equal to zero

    so

    For x=0

    substitute in the equation and solve for y

    3(0)+y=9

    y=9

    The y-intercept is the point (0,9)

    step 2

    Find the x-intercept

    The x-intercept is the value of x when the value of y is equal to zero

    so

    For y=0

    substitute in the equation and solve for x

    3x+0=9

    x=3

    The x-intercept is the point (3,0)

    therefore

    x-intercept equals 3

    y-intercept equals 9

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