Question

9) through: (-5, 4) and (1, -2)
A) y + 5 = 3(x+4)
B) y+4=3(x+5)
C) y – 4 = -(x + 5)
D) y – 4 = 3(x+5)

Answers

  1. The equation of the line that passes through the point  (-5, 4) and (1, -2) is; C) y – 4 = -(x + 5)

    What is the Point-slope form?

    The equation of the straight line has its slope and given point.
    If we have a non-vertical line that passes through any point(x1, y1) and has a gradient m. then general point (x, y) must satisfy the equation
    y-y₁ = m(x-x₁)
    Where x₁ – x coordinate, y₁ – y coordinate, m – slope
    Point (-5, 4) and (1, -2)
    Then Slope m = (-2 – 4)/(1 + 5)
    m = -6/6 = -1
    Now Write the equation as;
    y – 4 =  -1(x + 5)
    Hence, the equation of the line is; C) y – 4 = -(x + 5)
    Learn more about equations here;
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