Question

Find the equation of the lines passing through the point (1,1) with slope 3

Answer 1

Slope m = 3, passing through (x₁, y₁) = (1, 1)

Equation of the line is y – y₁ = m(x – x₁)

(i.e) y – 1 = 3(x – 1)

⇒ y – 1 = 3x – 3

⇒ 3x – y = 2