10
Answer: BSet 2: Quadratic Equations (Intermediate)
Explanation
PROBLEM
Solve: x squared - 6x + 8 = 0. Find the larger root.
Solve: x squared - 6x + 8 = 0. Find the larger root.
A.
6
B.✓ Correct
4
C.
2
D.
8
Detailed Explanation
Choice B is the best answer. Factor: (x - 4)(x - 2) = 0. Roots are 4 and 2. Larger: 4
Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
C: 2 is incorrect because it does not satisfy the equation.
D: 8 is incorrect because it does not satisfy the equation.
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