Question

Write the equation of the line that passes through the point (1, -1) and has
a slope of -4.

Answer 1

y = -4x + 3

Explanation:

y - y₁ = m(x - x₁)

⇒ y - (-1) = -4(x - 1)

⇒ y + 1 = -4x + 4

⇒ y = -4x + 3