3
QuizMultiple Choice

Solving Quadratic Equations: Quadratic Formula

Question 3 • Common Core Algebra I 2014 - MA3109 B-CR

What is the discriminant of the quadratic equation 0 = 2x2 + 3x – 5?

Answer
A
–37
B
–31
C
43
D
49

Explanation

For a quadratic equation ax² + bx + c = 0, the discriminant is b² − 4ac. Here a = 2, b = 3, and c = −5, so the discriminant is 3² − 4(2)(−5) = 9 + 40 = 49. The correct choice is 49.

AI-written and checked against the verified answer.

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