what is the equation standard form of through (2,-4))and the slope is -4

Question

what is the equation standard form of through (2,-4))and the slope is -4

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Edana Edana 6 months 2021-07-31T19:50:02+00:00 2 Answers 11 views 0

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    0
    2021-07-31T19:51:34+00:00

    4x + y = 4

    First we can use the info to make a slope intercept form equation

    y = -4x +4 (since slope is -4 and when x= 2, y = -4)

    then change to slope intercept form (ax + by = c)

    4x + y = 4

    0
    2021-07-31T19:51:40+00:00

    Answer:

    4x + y = 4

    Step-by-step explanation:

    Equation of Line in point slope form is given as:

     y - y_1= m(x-x_1)

    Plug  x_1= 2\: and\: y_1= - 4 in the above equation we find:

    y - ( - 4) =  - 4(x - 2) \\  \\ y + 4 =  - 4x + 8 \\  \\ 4x + y + 4 - 8 = 0 \\  \\ 4x + y - 4 = 0 \\ \\ 4x + y = 4 \\this \: is \: the \: required \: equation.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )