absolute value of a complex number absolute value of a number acceleration additive inverse of a matrix A amplitude of a periodic function angle of depression angle of elevation apparent size argand diagram arithmetic sequence asymptote average axis of symmetry binomial coefficients box-and-whisker plot cofunctions combination common logarithm of a positive real number x complement of a set A complex number complex number plane composite of two functions composition conditional probability conic sections constant continuous function coordinates correlation coefficient cosecant cosine cotangent coterminal angles cross product of two vectors cubic degree degree of a polynomial in x derivative of f(x) determinant dimensions of a matrix directrix of a parabola discriminant domain of a function dot product of two vectors doubling time e eccentricity of a conic section element (or entry) of a matrix ellipse even function event expected value exponential equation exponential function with base b extreme values of a function feasible solution frequency polygon frequency table function geometric sequence graph of an equation half-life histogram hyperbola identity matrix imaginary number imaginary unit i inclination of a line independent events infinite sequence inverse functions leading term of a polynomial in x least-squares line limit line of reflection linear equation linear function linear programming logarithm to base b of a positive number x logarithmic function with base b markov chain mathematical induction mathematical model matrix mean median mode multiplicative inverse of a matrix A mutually exclusive events natural logarithm of a positive number x normal distribution odd function one-to-one function origin parabola pascal's triangle percentiles periodic function permutation point of symmetry polar axis polar coordinates polar equation pole polynomial in x polynomial inequalities population power series probability pure imaginary number quadrantal angle quadrants quadratic quadratic equation quartic quintic range of a function rational numbers real numbers reference angle resultant revolution sample sample space of an experiment sampling scalar secant sector of a circle segment of a circle sequence series sign graph sine slope of a curve at a point P slope of a nonvertical line slope function square matrix standard deviation standard position of an angle stem-and-leaf plot synthetic substitution synthetic division tangent tangent to a curve at a point on the curve transformation of the plane transition matrix transpose of a matrix trigonometric identity unit circle variance vector venn diagram x-axis and y-axis x-intercept y-intercept zero of a function zero of a polynomial function P(x) zero matrix