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Alg II
Alg II
73
Other
10th Grade
09/14/2011

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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
Conjunction
Definition
two combined equations
Term
Disjunction
Definition
compound statement that uses the word or
Term
Expression
Definition
variable, function, or some combination of constants, variables, or functions
Term
Equation
Definition
an expression or a proposition, often algebraic, asserting the equality of two quantities.
Term
Inequality
Definition
a. a statement indicating that the value of one quantity or expression is not equal to another, as in x ≠ y
Term
Simplify
Definition
to reduce (an equation, fraction, etc) to a simpler form by cancellation of common factors, regrouping of terms in the same variable, etc
Term
Solution
Definition
a. the unique set of values that yield a true statement when substituted for the variables in an equation
b. a member of a set of assignments of values to variables under which a given statement is satisfied; a member of a solution set
Term
Solve
Definition
a. to work out the answer to (a problem)
b. to obtain the roots of (an equation)
Term
Function
Definition
logic map , Also called: mapping a relation between two sets that associates a unique element (the value) of the second (the range) with each element (the argument) of the first (the domain): a many-one relation. Symbol: f( x ) The value of f( x ) for x = 2 is f(2)
Term
X-intercept
Definition
WHere the line crosses the x axis
Term
y-intercept
Definition
where the line crosses the y axis
Term
Ordered Pairs
Definition
two quantities written in such a way as to indicate that one quantity precedes or is to be considered before the other, as (3, 4) indicates the Cartesian coordinates of a point in the plane.
Term
Constant
Definition
a quantity assumed to be unchanged throughout a given discussion.
Term
Rate of Change
Definition
The change in the value of a quantity divided by the elapsed time. For a function, this is the change in the y-value divided by the change in the x-value for two distinct points on the graph.
Term
Infinite
Definition
Never ending
Term
Table of Values
Definition
A method for finding points that solve an equation so the equation can be graphed. You guess an x, then plug it into the equation to solve for the matching y value. Continue until you have enough (x,y) pairs to graph.
Term
System of equations
Definition
2 or more equations together, must be solved toghether
Term
reciprocal
Definition
the exat opposite of a number
Term
Evaluate
Definition
to determine the value
Term
Dependent
Definition
y- value
Term
Independent
Definition
x-value
Term
Exponent/ Power
Definition
a numbet rasing the number preceding it to the power equl to the exponents value.
Term
Base
Definition
the number itself raised by a power
Term
Factor
Definition
a number in an equation
Term
Root, solution, zero
Definition
x- intercept
Term
Term
Definition
a number in an inequality
Term
Monomial
Definition
an equation with one term
Term
Binomial
Definition
an equation with two terms
Term
trinomial
Definition
an equation with three terms, one variable raised to the 1st power, one a varible raised to the second power
Term
quadradic
Definition
an equation almost containing a variable to te 2nd power
Term
Parabla
Definition
an equation that, with a 2nd power variable, creates a circular shape
Term
matrix
Definition
a set of numbers together in a group
Term
standard form
Definition
ax+by=c (slope)
ax^2+bx+c=c (quadratic)
Term
coefficent
Definition
a number before a varialbe that multiplies said variable by it's value
Term
Verticle line test
Definition
test to determine if a curve is a relation or graph
Term
Roster
Definition
way of representing the elements of a set
Term
Interval notation
Definition
set of real numbers with the property that any number that lies between two numbers in the set
Term
Set-builder notation
Definition
notation for describing a set by stating the properties that its members must satisfy
Term
Slope
Definition
a ratio and an angle
Term
Domain
Definition
the domain of definition or simply the domain of a function is the set of "input" or argument values
Term
Range
Definition
the range of a function refers to the output of a function
Term
Discrete
Definition
Individually separate and distinct.
Term
Continuous
Definition
2.Forming a series with no exceptions or reversals.
Term
Imaginary numbers
Definition
(imaginary number) complex number: (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1.
Term
conjugate
Definition
Give the different forms
Term
complete the square
Definition
technique for converting a quadratic polynomial of the form.
Term
inverse relation
Definition
the inverse relation of a binary relation is the relation that occurs when you switch the order of the elements
Term
inverse function
Definition
a function obtained by expressing the dependent variable of one function as the independent variable of another;
Term
square root
Definition
A number that produces a specified quantity when multiplied by itself
Term
square root
Definition
a quantity of which a given quantity is the square:
Term
exponential
Definition
of or pertaining to an exponent or exponents.
Term
growth
Definition
the act or process, or a manner of growing; development; gradual increase.
Term
decay
Definition
to decline in excellence, prosperity, health, etc.; deteriorate
Term
asymptote
Definition
a straight line approached by a given curve as one of the variables in the equation of the curve approaches infinity.
Term
depreciate
Definition
to decline in value.
Term
appreciate
Definition
to increase in value
Term
common log
Definition
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
logarithm
Definition
the exponent by which another fixed value, the base , has to be raised to produce that number.
Term
rational function
Definition
any function which can be written as the ratio of two polynomial functions.
Term
polynomial
Definition
an expression of finite length
Term
direct variation
Definition
two quantities are said to be proportional if they vary in such a way that one of the quantities is a constant multip
Term
leading coeffcient
Definition
leading coefficient is the number, called a coefficient, which is multiplies the highest non-zero power of the independent variable
Term
degree
Definition
A unit of measurement of angles, one three-hundred-and-sixtieth of the circumference of a circle: "set at an angle of 45 degrees".
Term
circle
Definition
A round plane figure whose boundary (the circumference) consists of points equidistant from a fixed center.
Term
parabola
Definition
is a conic section, created from the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface.
Term
ellipse
Definition
is a conic section, created from the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface.
Term
hyperbola
Definition
is a curve, specifically a smooth curve that lies in a plane, which can be defined either by its geometric properties or by the kinds of equations for which it is the solution set
Term
conic section
Definition
a curve obtained as the intersection of a cone (more precisely, a right circular conical surface) with a plane.
Term
focus (foci)
Definition
Two points inside an ellipse that are used in it's formal definition.
Term
directrix
Definition
is a straight line associated to a geometric object
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