Lesson 8.3 & 8.4 Flashcard

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Front

Use quadratic regression to write a quadratic function to represent this relationship.

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Front

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The y-intercept is (0, 15).

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The vertex is (-2, -1).

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Find the product: (3x + 2)(2x + 4)

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What is the vertex form of a quadratic equation?

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What does the 'a' value in a quadratic equation indicate?

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The 'a' value indicates the direction of the parabola: if 'a' is positive, it opens upwards; if negative, it opens downwards.

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How do you find the axis of symmetry for a quadratic equation in standard form?

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What is the quadratic formula?

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Front

What is the discriminant in a quadratic equation?

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