Geometrymedium · Past Paper
Find the equation of a line passing through (1, -2) and having a slope of 3.
Ay = 3x - 5
By = 3x + 5
Cy = 3x - 1
Dy = 3x + 1
✓ Correct Answer: A — y = 3x - 5
y - y1 = m(x - x1) => y - (-2) = 3(x - 1) => y + 2 = 3x - 3 => y = 3x - 5.
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