Mathematics · Quadratic Equations
The equations x2 - 5x + 6 = 0 and x2 + ax + b = 0 have exactly one common root, and the other root of the second equation is -4. Among the following, which are the possible values of a and b?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a = 2, b = -8✓
- 2a = 3, b = -6
- 3a = 1, b = 12
- 4a = 5, b = -20
Correct answer
a = 2, b = -8
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