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Chapter 5 Vocabulary Test

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7 Written Questions

6 Multiple Choice Questions

  1. A function described by the equation f(x)=ax2+bx+c, where a is not equal to 0.
  2. The y-coordinate of the vertex of the quadratic function f(x)=ax2+bx+c, where a>0.
  3. i, or the principal square root of -1.
  4. The point at which the axis of symmetry intersects a parabola.
  5. In the equation f(x)=ax2+bx+c, bx is the linear term.
  6. The set of all points in a plane that are the same distance from a given point, called the focus, and a given line, called the directrix.

6 True/False Questions

  1. RootThe solutions of a quadratic equation.

          

  2. Square RootThe solutions of a quadratic equation.

          

  3. Pure Imaginary Numberi, or the principal square root of -1.

          

  4. DiscriminantFor any real numbers a and b, if a2=b, then a is the square root of b.

          

  5. Complex ConjugatesA process used to make a quadratic expression into a perfect square trinomial.

          

  6. Axis of SymmetryA line about which a figure is symmetric.

          

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