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Questions and Answers
Which of the following is the standard form of a quadratic equation?
Which of the following is the standard form of a quadratic equation?
- $ax^2 + bx + c = 0$ (correct)
- $x = \frac{-b}{2a}$
- $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$
- $y = mx + b$
What is the discriminant of a quadratic equation?
What is the discriminant of a quadratic equation?
- $\frac{1}{2}(b_1 + b_2)$
- $b^2 - 4ac$ (correct)
- $\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$
- $-\frac{b}{2a}$
Which of the following represents the quadratic formula?
Which of the following represents the quadratic formula?
- $y = mx + b$
- $x = \frac{-b}{2a}$
- $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ (correct)
- $x = \frac{1}{2}(b_1 + b_2)$
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