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Terms

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median
The middle number in a set of numbers that are listed in order
Tangent
ratio of the opposite to the adjacent side of a right-angled triangle
least common multiple
the smallest multiple that is exactly divisible by every member of a set of numbers
least common denominator
The least common multiple of the denominators of the fractions.
secant
ratio of the hypotenuse to the adjacent side of a right-angled triangle
hypotenuse
In a right triangle, the hypotenuse is the longest side, which is opposite the right angle.
real number
The set of all rational and irrational numbers
representative sample
a sample for which the results from the can be considered the same as the results from the entire population
cord
a line that joins two points and a curve
endpoint
a place where something ends or is complete
quartile
(statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores
outlier
an extreme deviation from the mean
interior angle
the angle inside two adjacent sides of a polygon
depreciate
lower the value of something
obtuse triangle
a triangle with one angle greater than a right angle
equilateral
having all sides or faces equal
absolute value
The distance if a number from 0 on a number line.
discount
the act of reducing the selling price of merchandise
unit price
A unit rate that gives the cost per unit.
adjacent angle
two angles that share a ray
midpoint
the point that divides a line segment into two segments of equal length
cubed
The product in which a number is a factor three times.
exponent
a mathematical notation indicating the number of times a quantity is multiplied by itself
prime factorization
A way of expressing a whole number as a product of its prime factors.
inscribe
draw within a figure so as to touch in as many places as possible
isosceles triangle
a triangle with two equal sides
prime factor
the prime factors of a quantity are all of the prime quantities that will exactly divide the given quantity
successive
in regular succession without gaps
incline
to slope or lean; to be likely to; to have a fondness for; to bend or bow (the head)
percentile
A point on the distributionbelow with a certain % of scores fall. Ex: Scored in the 99th percentile = only 1% scored higher than you
hyperbolic
of or relating to a hyperbola
common denominator
an integer that is a common multiple of the denominators of two or more fractions
parabola
a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve
algebraic equation
an expression with one or more variables
equiangular triangle
a triangle where all the angle measurements are the same
congruent
same shape and same size
converse
Reverse the order of p and q, (If q then p)
mode
the most frequent value of a random variable
interquartile range
The difference between the upper and lower quartiles.
corresponding
similar especially in position or purpose
tripled
multiplying by three
identity element
an operator that leaves unchanged the element on which it operates
ellipse
a circle that has been stretched in either the x or y direction
scientific notation
A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10.
square pyramid
A pyramid with a square base
alternate interior angles
Angles that lie within a pair of lines and on opposite side of a transversal.
regression line
a smooth curve fitted to the set of paired data in regression analysis
matrix
a rectangular array of elements (or entries) set out by rows and columns
pi
the ratio of the circumference to the diameter of a circle
alternate exterior angles
Angles that lie outside a pair of lines and on opposite sides of a transversal.
lower quartile
Median in the lower half of a number line
distributive
a(b+c)=ab+ac, a(b-c)=ab-ac
congruent triangles
are triangles whose corresponding angles and sides are congruent. (They are exactly the same size and shape.)
range
subtract the smallest from the biggest
arc
a continuous portion of a circle
equality
the quality of being the same in quantity or measure or value or status
domain
the set of values of the independent variable for which a function is defined
infinite
having no limits or boundaries in time or space or extent or magnitude
correlation
a statistical relation between two or more variables such that systematic changes in the value of one variable are accompanied by systematic changes in the other
associative
(a+b)+c=a+(b+c) ____ (ab)c=a(bc)

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