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Review of Semester One

Review of Semester One
rational number any number that can be written as a ratio of two integers
relatively prime two numbers are relatively prime if their greatest common factor is 1.
LCD the least common multiple of two or more denominators
domain the set of all possible input values of a function
vertical line test if a vertical line intersects the graph of a relation at exactly one point, then the relation is a function.
range the set of all possible values of a function
function an input output relation where each input has exactly one output
base when a number is raised to a power, the number that is used as a factor is the base
exponent the number that indicates how many times the base is used as a factor
exponential form a number is written as a base with an exponent
power a number produced by raising a base to an exponent
scientific notation a method of writing very large or small numbers using powers of ten
perfect square a square of a whole number
square root one of two equal factors of a number
principal square root the nonnegative square root of a number
density property between any two real numbers, there is always another real number
irrational number a number that cannot be expressed as a ratio of two integers
real number a rational or irrational number
hypotenuse in a right triangle, the side opposite the right angle
leg in a right triangle, the sides that include the right angle
Pythagorean Theorem in a right triangle, the hypotenuse squared is equal to the sum of th legs squared...a squared plus b squared equals c squared
percent change the amount stated as a percent that a number increases or decreases
percent decrease a percent change indicating a decrease in quantity
percent increase a percent change indicating an increase in quantity
commission the fee paid to a person making a sale
commission rate the fee paid to a person expressed as a percent of the selling price
interest the amount of money charged for borrowing or savin money
principal the initial amount of money borrowed or saved
rate of interest the percent charged or earned on an amount of money
simple interest I=prt, Interest=principal times rate times time
area the number of square units needed to cover a surface
perimeter the distance around a polygon
circle the set of all points in a plane that are the same distance from the center
circumference the distance around a circle
diameter the line that passes through the center of the circle and has endpoints on the circle
radius the line from the center of the circle to a point on the circle
base the shape used to classify a figure
cone a 3d shape that has one vertex and one circular base
cylinder a 3d shape that has two parallel congruent circular bases
edge where two faces meet
face a flat surface of a 3d figure
prism two congruent polygon shaped bases with parallelograms on the sides
pyramid one base that is a polygon and remaining faces are triangles
vertex where a figure comes to a point
Created by: mrssigler