10
Answer: BSet 1: Quadratic Equations (Intermediate)
Explanation
PROBLEM
Solve: x squared - 7x + 10 = 0. Find the larger root.
Solve: x squared - 7x + 10 = 0. Find the larger root.
A.
6
B.✓ Correct
5
C.
4
D.
7
Detailed Explanation
Choice B is the best answer. Factor: (x - 2)(x - 5) = 0. Roots are 2 and 5. Larger: 5
Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.
D: 7 is incorrect because it does not satisfy the equation.
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