Write the slop form of an equation of the line thet passes throughtl (4-3)and(2,1

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Write the slop form of an equation of the line thet passes throughtl (4-3)and(2,1

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Thiên Hương 5 years 2021-08-14T10:27:44+00:00 1 Answers 14 views 0

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  1. mocmien2
    0
    2021-08-14T10:28:53+00:00
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    Answer:

    y+2x-5= 0

    Step-by-step explanation:

    Applying,

    (y-y₁) = m(x-x₁)…………… Equation 1

    Where m = slope

    But,

    m = (y₂-y₁)/(x₂-x₁)

    Given: y₁ = -3, y₂ = 1, x₁ = 4, x₂ = 2

    m = (1+3)/(2-4)

    m = 4/-2

    m = -2

    Substituting into equation 1

    (y+3) = -2(x-4)

    y+3 = -2x+8

    y = -2x+8-3

    y = -2x+5

    y = 5-2x

    y+2x-5 = 0

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