Honors Algebra I Chapter 9 Vocabulary
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Last updated 1:44 AM on 12/3/24
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12 Terms
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axis of symmetry
the vertical line containing the vertex of a parabola
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completing the square
to add a constant term to a binomial of the form x^2 + bx so that the resulting trinomial is a perfect square
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discriminant
in the quadratic formula, the expression under the radical sign, b^2 - 4ac
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double root
the roots of a quadratic function that are the same number
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maximum
the highest point on the graph of a curve
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minimum
the lowest point on the graph of a curve
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parabola
the graph of a quadratic function
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Quadratic Formula
the solutions of a quadratic equation in the form ax^2 + bx + c = 0, where a ≠ 0, are given by the formula
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quadratic function
an equation of the form y = ax^2 + bx + c = 0, where a ≠ 0
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standard form
the form f(x) = ax^2 + bx + c, where a ≠ 0
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vertex
the maximum or minimum point of a parabola
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vertex form
a quadratic function in the form f(x) = a(h-k)^2 + k
