Mathematics · Quadratic Equations
For what values of 'a' are the roots of the equation 9x2 − ax + 4 = 0 not real?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a > 144
- 2−12 < a < 12✓
- 3a < −12
- 4a > 12
Correct answer
−12 < a < 12
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