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Questions and Answers
What is the standard form of a quadratic equation?
What is the standard form of a quadratic equation?
- $ax^2 + bx + c = 0$ (correct)
- $2x^2 - 5x = 0$
- $x^2 + 2x + 3 = 0$
- $4x + 7 = 0$
What is the discriminant of a quadratic equation used for?
What is the discriminant of a quadratic equation used for?
- Finding the two real roots of the quadratic equation
- Solving the quadratic equation by factoring
- Determining if the quadratic equation has complex roots (correct)
- Calculating the vertex of the parabola
What does the term 'completing the square' refer to in the context of quadratic equations?
What does the term 'completing the square' refer to in the context of quadratic equations?
- Rewriting the quadratic expression in vertex form (correct)
- Finding the x-intercepts of the quadratic equation
- Converting the quadratic equation into a linear equation
- Solving for the discriminant of the quadratic equation
