**TI83F* AppVariable file 12/24/08, 18:24« šGLA205š˜nav 26CE319875DD4F1B9DFDCB650E5220B1GLA205.5GLA2051  axis of symmetryë!;axis of symmetry:ÖA line about which a figure is symmetric. completing the squareecompleting the square:ÖA process used to make a quadratic expression into a perfect square trinomial. complex conjugatesFcomplex conjugates:ÖTwo complex numbers of the form a + bi and a - bi. complex number‡complex number:ÖAny number that can be written in the form a + bi, where a and b are real numbers and i is the imaginary unit.  constant term?constant term:ÖIn f(x) = ax^2 + bx + c, c is the constant term.  discriminantYdiscriminant:ÖIn the Quadratic Formula, the expression under the radical sign, b^2 - 4ac.  factored form†factored form:ÖThe form of a polynomial showing all of its factors.Öy = a(x - p)(x - q) is the factored form of a quadratic equation.Ö  FOIL method—FOIL method:ÖThe product of two binomials is the sum of the products of F the first terms, O the outer terms, I the inner terms, and L the last terms.Ö  imaginary unit6imaginary unit:Öi, or the principal square root of -1.   linear termKlinear term:ÖIn the equation Öf(x) = ax^2 + bx + c, Öbx is the linear term.   maximum valuekmaximum value:ÖThe y-coordinate of the vertex of the quadratic function Öf(x) = ax^2 + bx + c, where a < 0.   minimum valuejminimum value:ÖThe y-coordinate of the vertex of the quadratic functionÖf(x) = ax^2 + bx + c, where a > 0.  parabolaH !,parabola:ÖThe graph of a quadratic function. pure imaginary numberLpure imaginary number:ÖThe complex number Öa + bi when a = 0 and Öb  0. quadratic equationLquadratic equation:ÖAn equation of the form Öax^2 + bx + c = 0, where a  0. Quadratic Formula Quadratic Formula:ÖThe solutions of a quadratic equation in the form ax^2 + bx + c = 0, where a  0, are given by the formula Öx = (-b +/- (b^2 - 4ac)) / (2a). quadratic functionfquadratic function:ÖA function described by an equation of the form f(x) = ax^2 + bx + c, where a  0. quadratic inequality‹quadratic inequality:ÖAn inequality of the form y > ax^2 + bx + c, Öy < ax^2 + bx + c, Öy  ax^2 + bx + c, Öy  ax^2 + bx + c, where a  0. quadratic termRquadratic term:ÖIn the equation Öf(x) = ax^2 + bx + c, ax^2 is the quadratic term. root+root:ÖThe solution of a quadratic equation. Square Root PropertyKSquare Root Property:ÖFor any real number n,i f x^2 = n, then Öx = _+-_ n.  standard formstandard form:Ö1. A linear equation written in the form ÖAx + By = C, where A, B, and C are integers whose greatest common factor is 1, A  0, and A and B are not both zero. Ö2. A quadratic equation written in the form Öax^2 + bx + c = 0, where a, b, and c are integers, and a  0.Ö vertexñvertex:Ö1. Any of the points of intersection of the graphs of the constraints that determine a feasible region.Ö2. The point at which the axis of symmetry intersects a parabola. Ö3. The point on each branch nearest the center of a hyperbola.  vertex formvertex form:ÖA quadratic function in the form Öy = a(x - h)^2 + k, where (h, k) is the vertex of the parabola and x = h is its axis of symmetry. zero[zero:ÖThe x-intercepts of the graph of a quadratic equation; the points for which f(x) = 0.8`! €#€pÀçÀø! Á €@€@€@€@@€@€@€@€     ÿÿÿÿÿÿü % % % €@€@€@@€@€@€   áÀ€9`A ”ŽˆŸà8ˆ„À|”„ A  @  2„€ Q(%À Q$$€ *¨€€@ÿÿ€€@€H‚¥¬¨ªªÉ(€jª‰€*ªm€À0@@@    0 ÿÿÿÿÿÿÿÿÿ0@€„€„„‚T8 @@ |8ðª