quadratic functions unit of Algebra II pacing guide
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Quadratic Function |
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| Quadratic Function | a function that can be described by an equation of the form f(x) =ax^2 + bx + c, where a ≠ 0
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| Maximum | the highest point on a graph
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| Quadratic Formula | the formula x = [-b ± √(b^2 - 4ac)]/2a, used to compute the roots of a quadratic equation
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| Zero | the x-value that makes the function equal to 0
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| Axis of Symmetry | a line that divides an object into half and creates mirror images of each other
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| Minimum | the lowest point on a graph
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| Discriminant | an algebraic expression related to the coefficients of a polynomial equation whose value gives information about the roots of the polynomial calculated using b^2 - 4ac
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| Solution | an answer that can be substituted for a variable that makes the equation true
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| Vertex | the highest or lowest point on a parabola
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| X-Intercept | the x-intercept of a line is the point at which the line crosses the x-axis
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| Completing the Square | the process of converting a quadratic equation into a perfect square trinomial by adding or subtracting terms on both sides
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| Roots | the solutions of a quadratic equation
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