Quadratics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Parabola | The graph of a quadratic function
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Quadratic Equations | Quadratic functions that are set equal to a value
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Roots | The solutions of a quadratic equation
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Zeros | The x-intercepts of the graph of a function; the points for which f(x)=0
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Imaginary Unit | i, or the principle square root of -1
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Complex Number | A number that can be written in the form a + bi, where a and b are real numbers and i is the imaginary unit
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Complex Conjugates | Two complex numbers of the form a + bi and a - bi
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Discriminant | In the Quadratic Formula, the expression b^2 – 4ac
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Quadratic Function | A function described by the equation f(x)=ax^2 + bx + c, where a does not equal zero
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Quadratic Term | In the equation f(x)=ax^2 + bx + c, ax^2 is the quadratic term
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Linear Term | In the equation f(x)=ax^2 + bx + c, bx is the linear term
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Constant Term | In the equation f(x)=ax^2 + bx + c, c is the constant term
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Axis of Symmetry | A line about which figure is symmetric
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Vertex | The point at which the axis of symmetry intersects a parabola
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Maximum Value | The y-coordinate of the vertex of the quadratic function f(x)=ax^2 + bx + c, where a < 0
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Minimum Value | The y-coordinate of the vertex of the quadratic function f(x)=ax^2 + bx + c, where a > 0
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Factored Form | The form of a polynomial showing all of its factors. y = a(x - p)(x - q) is the factored form of a quadratic function
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FOIL method | The product of two binomials is the sum of the products of F for the first terms, O for the outer terms, I for the inner terms, and L for the last terms
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Completing the Square | A process used to make a quadratic expression into a perfect square trinomial
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Quadratic Formula | The solutions of a quadratic equation of the form ax^2 + bx + c, where a does not equal 0, are given by the Quadratic Formula, which is:
-b +- √b^2-4(a)(c)
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2(a)
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Created by:
dhruvipatel
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