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Anonymous
Anonymous asked in Science & MathematicsMathematics · 1 decade ago

How do I solve this Algebra 1 Question?

Need help solving this: Write the equation of the line in standard form that passes through (5,-2) and has a slope of -3

10 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    y - y1 = m (x - x1)

    y - (-2) = -3 (x - 5)

    y + 2 = -3x + 5

    3x + y = 3

    Source(s): *
  • 1 decade ago

    Step 1: Your equation will ultimately take the form of Ax +By = C

    Starting with y - y1 = m(x - x1) where x = 5, y = -2 and m = -3 yields:

    y - (-2) = -3(x-5)

    y + 2 = -3x + 15 which simplifies to y = -3x + 13.

    Rewriting by adding -3x to both sides of equation yields:

    3x + y = 13 which is now in Standard Form

    Hope this helps

  • 1 decade ago

    y=x+3

    Source(s): myself
  • Randy
    Lv 5
    1 decade ago

    Recall that lines have an equation of the form y = mx + c, where m is the slope. Substituting the value of m, we get:

    y = -3x + c

    To find the value of c, we substitute the coordinates of the given point.

    -2 = -3(5) + c

    c = 13

    So, the equation of the line is y = -3x + 13

    Hope this helps.

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  • 1 decade ago

    At point (5,-2),

    -2=-3*5+C

    therfore, C=15-2=13

    Hence general formular for line is

    y=-3x+13

  • 1 decade ago

    (5,-2) Slope -3

    y - y1 = m(x - x1)

    y - (-2) = -3(x - 5)

    y + 2 = -3x + 15

    y = -3x + 15 - 2

    y = -3x + 13

  • 1 decade ago

    The line's equation is: y = n -3x

    n is unknown.

    -2 = n-3*5

    --> n = 13

    y = 13 - 3x

  • 1 decade ago

    y-y1 = m(x-x1)

    y+2 = -3(x-5)

    y+2= -3x + 15

    y+2= -3x + 15 - 2

    y= -3x + 13

  • Retsum
    Lv 6
    1 decade ago

    (y - b) =m(x - a)

    )y +2 = -3(x - 5) = -3x + 15

    y = -3x + 13

  • 1 decade ago

    y=5x-3

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