alleryThe equation of the line passing through (2, −1) with slope 3 is
Ay = 3x
By + 1 = 3(x − 2)
Cy − 1 = 3(x + 2)
Dy + 1 = 3(x + 2)
Answer & Solution
Correct answer: B. y + 1 = 3(x − 2)
**Point-slope form:** y − y₁ = m(x − x₁).
With (2, −1) and m = 3 → y − (−1) = 3(x − 2) ⇒ y + 1 = 3(x − 2).
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