Algebra Glossary

parabola:	The set of all points in a plane that are the same distance from a point (focus) as they are from a given line (directrix). it is the graph of a quadratic function having a U shape.
parallel lines:	Lines that have equal slopes.
partial sum of a series:	The sum of a finite number of terms of the series.
pascal's triangle:	A triangular arrangement of numbers in which each number is the sum of the two numbers above it in the preceding row.
perfect square trinomial:	The square of a binomial. with the form a2 ± 2ab + b2.
periodic function:	A function y=f(x) is periodic if and only if there is a real number p such that for each x in the domain of f. f(x + p)=f(x).
permutation:	An arrangement of a number of objects in a definite order.
perpendicular lines:	Lines with slopes that are negative reciprocals.
point matrix:	A 2 x 1 matrix whose ele- ments are the coordinates of a point.
point-slope form:	If (x1, y1) is a point on the line y = mx + b. then y - y1 = m(x - xl) is the point-slope form of the equation.
polynomial:	A monomial or the sum of monomials.
polynomial function:	A function P whose values are defined by a polynomial.
power function:	Functions with equations of the form y = x^n, with it a positive integer.
prime factorization:	A representation of a number as the product of its prime factors.
principal cube root:	The one real-number cube root of a real number.
principal square root:	The positive square root, denoted by
principle square root function:	The function with the equation Ö
probability of an event:	The ratio of the number of outcomes in the event to the number of outcomes in the sample space.
pure imaginary number:	Any number of the form ai. where a is real.
pure quadratic equation:	A quadratic equation with no x-term.

Note: The terms in this collection may not be entirely accurate.
They are for reference only.

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