What is the sum of the roots of x² − 7x + 10 = 0? A 7 B 10 C 3 D −7 ✓ Correct Answer: Option A By Vieta's formulas, sum of roots = −(−7)/1 = 7. (Roots are 2 and 5; 2 + 5 = 7.) Practice SAT Exam Prep Quizzes → Browse All Questions Study Flashcards