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Sterling ✨
Lv 6
Sterling ✨ asked in Science & MathematicsMathematics · 7 years ago

Help with this math problem?

For the following problem, the slope and one point on a line is given. Use the point-slope form to find the equation of that line. (Write your answer in slope-intercept form.)

(−1,−8), m = 3

Thank you!

2 Answers

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  • Zer0CooI
    7 years ago

    y-y1=m(x-x1)

    y-(-8)=3(x-(-1))

    y+8=3x+3

    y=3x-5 is your answer

  • Anonymous
    7 years ago

    (-1,-8) = (x1, y1)

    Point Slope Form:

    y - y1 = m( x - x1)

    Substitute

    y - (-8) = 3(x - (-1))

    y + 8 = 3(x+1) ------ (Point Slope Form)

    Slope-Intercept Form: Solve for Y

    Y = 3(x+1) - 8

    Y = 3x +3 -8

    Y = 3x +5 -------- (Slope Intercept Form)

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