Algebrahard · Past Paper
Find p if roots of 3x^2 + px + 3 = 0 are real and distinct.
A|p| > 6
B|p| < 6
C|p| = 6
Dp > 6
✓ Correct Answer: A — |p| > 6
Distinct real roots → D > 0. p^2 - 4(3)(3) > 0 → p^2 > 36 → |p| > 6.
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✓ Correct Answer: A — |p| > 6
Distinct real roots → D > 0. p^2 - 4(3)(3) > 0 → p^2 > 36 → |p| > 6.
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