Terms  Definitions 

fewer than 
subtraction

grouping symbols 
exponents and roots

term 
an algebraic expression involving letters and/or numbers (called factors), multiplied together.

statistics 
methods of collecting, organizing and interpreting data

inequality 
statement that two quantities are unequal

graph 
to draw, or plot the points named

trinomial 
polynomial with three terms which are not like

origin 
represented by two zeros separated by a comma on a coordinate plane

together 
indicating addition, or the joining of two or more amounts

coordinate axis 
reference line on a coordinate plane

integer 
one of the positive or negative numbers or zero

focus 
special point used to construct and define a conic section

radical expression 
expression in which radical signs appear

direct variation 
relationship between two variables in which one is a constant multiple of the other

The form of a line called Standard for is________and must not have any_____and A must be_____. 
Ax+By=C/fractions/positive

domain 
set of all possible values of an independent variable in a function

open interval 
interval that does not contain its endpoints

asymptote lines 
graph of a relation which approaches more closely the further the graph is followed

hyperbola 
conic section that can be thought of as an inside out ellipse

multiplicative inverse property 
for every nonzero number a/b, where a,b does not = 0, there is exactly one number b/a, such that a/b x b/a =1

arithmetic sequence 
a sequence in which each term after the first is found by adding a constant, the common difference D, to the previous term.

least common multiple 
smallest number that is the multiple of two or more other numbers

identify the variables 
act of determining the unknown values in an equation

extraneous solution 
solution of a simplified version of an equation that does not satisfy the original equation

Properties of an equality 
Transformations used to isolate the variable in an equation.

step function 
a function whose graph is a series of line segments.

Slope Form 
m= y minus y divided by x minus x

multiplicative identity property 
for any number a, a x 1 = 1 x a

x+92=3+2x1 
x+92=3+2x1xx+92=3+2xx1923=33+x14+1=x1+15=x

9x7 
63

8x6 
48

scalar 
a quantity possessing only magnitude.

What is X in this equation? 
9+(16/4)+6(10*10)=x

coterminal 
having a common boundary; bordering; contiguous.

matrix 
a rectangular array of numbers, algebraic symbols, or mathematical functions, esp. when such arrays are added and multiplied according to certain rules.

coefficient 
a number or quantity placed (generally) before and multiplying another quantity, as 3 in the expression 3x.

algebra 
the branch of mathematics that deals with general statements of relations, utilizing letters and other symbols to represent specific sets of numbers, values, vectors, etc., in the description of such relations.

series 
a sequence of terms combined by addition, as 1 + Â½ + Â¼ + â…› + â€¦ Â½ n.

linear equation 
a firstorder equation involving two variables: its graph is a straight line in the Cartesian coordinate system.

cramer's rule 
a method involving the determinant of the coefficients, for calculating a unique solution for a given system of linear equations.

conditional probability 
the probability that an event will occur under the condition that another event occurs first: equal to the probability that both will occur divided by the probability that the first will occur.

directrix 
a fixed line used in the description of a curve or surface.

period 
the duration of one complete cycle of a wave or oscillation; the reciprocal of the frequency.

slope 
the tangent of the angle between a given straight line and the xaxis of a system of Cartesian coordinates.

probability distribution 
a distribution of all possible values of a random variable together with an indication of their probabilities.

sine 
(in a right triangle) the ratio of the side opposite a given acute angle to the hypotenuse.

secant 
(in a right triangle) the ratio of the hypotenuse to the side adjacent to a given angle.

periodic function 
a function of a real or complex variable that is periodic.

cotangent 
(in a right triangle) the ratio of the side adjacent to a given angle to the side opposite.

ellipse 
a plane curve such that the sums of the distances of each point in its periphery from two fixed points, the foci, are equal. It is a conic section formed by the intersection of a right circular cone by a plane that cuts the axis and the surface of the con

geometric series 
a sequence of terms in which the ratio between any two successive terms is the same, as the progression 1, 3, 9, 27, 81 or 144, 12, 1,

logarithmic function 
a function defined by y = logbx, esp. when the base, b, is equal to e, the base of natural logarithms.

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