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Algebra 2
Mrs. Miller's sophomore algebra 2 vocabulary at AACAL
79
Mathematics
10th Grade
09/09/2011

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Term
expression
Definition
a finite combination of symbols that are well-formed according to the rules applicable in the context at hand
Term
equation
Definition
a mathematical statement that asserts the equality of two expressions
Term
inequality
Definition
a statement how the relative size or order of two objects.
Term
simplify
Definition
to reduce to basic essentials
Term
solution
Definition
an answer to a problem
Term
solve
Definition
to find a solution, explanation, or answer for
Term
function
Definition
for which a thing exists
Term
x-intercept
Definition
the x-coordinate of a point where a line, curve, or surface intersects the x-axis
Term
x-intercept
Definition
the x-coordinate of a point where a line, curve, or surface intersects the x-axis
Term
y-intercept
Definition
the y-coordinate of a point where a line, curve, or surface intersects the y-axis
Term
ordered pair
Definition
a list of two things, such as (a, b)
Term
constant
Definition
not changing or varying; uniform; regular; invariable: All conditions during the three experiments were constant.
Term
absolute value
Definition
Also called numerical value. the magnitude of a quantity, irrespective of sign; the distance of a quantity from zero. The absolute value of a number is symbolized by two vertical lines, as |3| or |−3| is equal to 3.
Term
distributive property
Definition
the property that terms in an expression may be expanded in a particular way to form an equivalent expression.
Term
disjunction
Definition
a compound proposition that is true if and only if one and only one of a number of alternatives is true.
Term
vertical line test
Definition
a way to determine whether or not a relation is a function. The vertical line test simply states that if a vertical line intersects the relation's graph in more than one place, then the relation is a NOT a function.
Term
discrete
Definition
having the property that every subset is an open set.
Term
continuous
Definition
uninterrupted in time; without cessation
Term
slope
Definition
to have or take an inclined or oblique direction or angle considered with reference to a vertical or horizontal plane; slant.
Term
domain
Definition
a region characterized by a specific feature
Term
range
Definition
the extent to which or the limits between which variation is possible
Term
roster
Definition
any list, roll, or register
Term
set-builder notation
Definition
a set by stating the properties that its members must satisfy
Term
interval notation
Definition
a set of real numbers with the property that any number that lies between two numbers in the set is also included in the set
Term
system of equations
Definition
A system of equations is a collection of two or more equations with a same set of unknowns
Term
matrix
Definition
a rectangular array of numbers, symbols, or expressions
Term
dependent
Definition
a variable whose value depends on the values of one or more independent variables.
Term
independent
Definition
a variable in an equation, whose values make up the domain
Term
reciprocal
Definition
inversely related or proportional; opposite
Term
evaluate
Definition
to ascertain the numerical value of (a function, relation, etc.).
Term
exponent/power
Definition
The exponent says how many copies of the base are multiplied together. The power of a number shows you how many times to use the number in a multiplication.
Term
base
Definition
a particular mathematical object that is used as a building block.
Term
factor
Definition
what the number divides into
Term
root,solution,zero
Definition
can either be real or complex numbers
Term
term
Definition
A part of an algebraic equation or a number in a sequence or a series or a product of real numbers and/or variables.
Term
monomial
Definition
An algebraic expression consisting of a single term.
Term
binomial
Definition
A polynomial equation with two terms usually joined by a plus or minus sign
Term
trinomial
Definition
An algebraic equation with 3 terms
Term
quadratic
Definition
An equation that can be written with one side equal to 0. Asks you to find the quadratic polynomial that is equal to zero.
Term
parabola
Definition
A type of curve, any point of which is equally distant from a fixed point, called the focus, and a fixed straight line, called the directrix.
Term
Quadratic
Definition
something that pertains to squares, to the operation of squaring, to terms of the second degree, or equations or formulas that involve such terms
Term
Parabola
Definition
a conic section, the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface.
Term
Imaginary numbers
Definition
any number whose square is a real number less than zero.
Term
Conjugate
Definition
used to rationalize the denominator of a fraction
Term
Complete the square
Definition
a technique for converting a quadratic polynomial of the form
Term
Inverse relation
Definition
the relation that occurs when you switch the order of the elements in the relation.
Term
Inverse function
Definition
a function that undoes another function
Term
Square root
Definition
a number x is a number r such that r2 = x, or, in other words, a number r whose square (the result of multiplying the number by itself, or r × r) is x.[1] For example, 4 is a square root of 16 because 42 = 16
Term
coefficent
Definition
a number which multiplies by a variable
Term
rate of change
Definition
a rate describing how one quantity changes in relation to another
Term
absolute value
Definition
The absolute value of a positive number is the number itself. The absolute value of a negative number is the opposite number
Term
logarithm
Definition
A quantity representing the power to which a fixed number (the base) must be raised to produce a given number
Term
common log
Definition
is the logarithm with base 10.
Term
natural log
Definition
.is the logarithm to the base e
Term
growth
Definition
when a > 0 and the b is greater than 1, the graph will be increasing (growing).
Term
deacy
Definition
when a > 0 and the b is between 0 and 1, the graph will be decreasing (decaying
Term
exponential
Definition
the exponential function is the function ex,
Term
asymtote
Definition
curve is a line such that the distance between the curve and the line approaches zero as they tend to infinity
Term
depreciate
Definition
to decrease (in value)
Term
appreciate
Definition
an increase
(like in value)
Term
Polynomial
Definition
an expression of finite length constructed from variables (also known as indeterminates) and constants, using only the operations of addition, subtraction, multiplication, and non-negative integer exponents.
Term
Rational function
Definition
any function which can be written as the ratio of two polynomial functions. Neither the coefficients of the polynomials nor the values taken by the function are necessarily rational.
Term
Holes
Definition
a single point at which the graph of a function is not connected but can be made connected by filling in that point.
Term
Degree (polynomial)
Definition
the highest degree of a polynomial's terms
Term
Leading coefficient
Definition
The coefficient of a polynomial's leading term.
Term
Direct variation
Definition
When two variables are related in such a way that the ratio of their values always remains the same, the two variables are said to be in direct variation.
Term
Direct variation
Definition
When two variables are related in such a way that the ratio of their values always remains the same, the two variables are said to be in direct variation.
Term
Logarithm
Definition
the exponent by which another fixed value, the base, has to be raised to produce that number.
Term
Common log
Definition
the logarithm with base 10.
Term
Natural log
Definition
the logarithm to the base e, where e is an irrational and transcendental constant approximately equal to 2.718281828.
Term
Inverse relation
Definition
the relation that occurs when you switch the order of the elements in the relation.
Term
Inverse function
Definition
a function that undoes another function
Term
ellipse
Definition
oval shape, traced by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant
Term
focus or foci
Definition
center or origin of interest
Term
circle
Definition
round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center)
Term
hyperbole
Definition
open curve formed by the intersection of a cone with a plane at a smaller angle with its axis than the side of the cone
Term
directrix
Definition
is A fixed line used in describing a curve or surface
Term
parabola
Definition
open plane curve formed by the intersection of a cone with a plane parallel to its side. The path of a projectile under the influence of gravity ideally follows a curve of this shape
Term
conic section
Definition
figure formed by the intersection of a plane and a right circular cone. Depending on the angle of the plane with respect to the cone, a conic section may be a (circle) (ellipse) (parabola)(hyperbola)
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