Semester 1 review Day 3

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What is a vertex that represents the LOWEST point on a graph called?

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It is called a minimum.

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What is the y-intercept of a graph?

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Front

What is the standard form of a quadratic equation?

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

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

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What is the axis of symmetry in a parabola?

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What is the significance of the vertex in a quadratic function?

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The vertex represents the maximum or minimum point of the parabola.

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How can you determine if a quadratic function has real roots?

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