5
Answer: ASet 3: Quadratic Equations (Advanced)
Explanation
PROBLEM
Solve: x squared - 7x + 6 = 0. Find the larger root.
Solve: x squared - 7x + 6 = 0. Find the larger root.
A.✓ Correct
6
B.
5
C.
7
D.
12
Detailed Explanation
Choice A is the best answer. Factor: (x - 1)(x - 6) = 0. Roots are 1 and 6. Larger: 6
Why others are wrong:
B: 5 is incorrect because it does not satisfy the equation.
C: 7 is incorrect because it does not satisfy the equation.
D: 12 is incorrect because it does not satisfy the equation.