What is the equation of a line with slope 2 passing through (1, 3)? A y = 2x + 1 B y = 2x − 1 C y = 2x + 3 D y = 2x − 3 ✓ Correct Answer: Option A Using point-slope: y − 3 = 2(x − 1); y = 2x − 2 + 3 = 2x + 1. Practice ACT Exam Prep Quizzes → Browse All Questions Study Flashcards