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Algebra
easy · Past Paper
Questions
Mathematics
Algebra
Quadratic Equations
The discriminant of x^2 + 5x + 7 = 0 is:
A
-3
B
3
C
53
D
25
✓ Correct Answer: A — -3
D = 5^2 - 4(1)(7) = 25 - 28 = -3.
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