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write an equation is slope-intercept form for the line that has a slope of 3 and passes through (-1,2)?

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  • 9 years ago
    Favorite Answer

    form is y=mx+b

    we just need to determine slope m and intercept b

    you are given

    x=-1

    y=2

    m=3

    so

    2= 3*(-1)+b

    or b=5

    then put m and b in form permanently and you can use it to solve for any other point on htat line:

    y=3x+5

  • 9 years ago

    y = mx + b

    2 = 3(-1) + b

    2 = - 3 + b

    2 + 3 = b

    b = 5

    the equation of the line is y = 3x + 5 answer//

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