If a quadratic has roots at x = −1 and x = 5, what is the equation? A x² + 4x − 5 = 0 B x² − 4x − 5 = 0 C x² − 4x + 5 = 0 D x² + 4x + 5 = 0 ✓ Correct Answer: Option B (x + 1)(x − 5) = x² − 5x + x − 5 = x² − 4x − 5 = 0. Practice SAT Exam Prep Quizzes → Browse All Questions Study Flashcards