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# winfree vocab

### woot woot. math powaa!

Question | Answer |
---|---|

base | 1) the side or face a three-d shape stands on2) a quantity which is raised to an exponet |

box and whisker plot | box indicating the middle fifty percent of the ranked statistics and the max/min of data |

circle | all points are equidstant from a fixed point |

circle graph | display of data using a circle divided into slices |

circumfrence | distance around a circle (piD) |

commutative property | rule which states that you may add or multiply in any order |

compare | to give similarities and differences |

complementary angles | two angles whose sum is ninety-degrees |

composite number | number with two or more factors |

concave polygon | polygon that has an interior angle greater than 180 degrees. |

cone | solid consisting of a circular base and one vertice |

absolute value | numbers distance from zero on a number line |

acute angle | any angle whose measure is less than ninety degrees |

acute triangle | triangle in which all angles measure less than 90 degrees |

additive inverse | opposite of a number |

algorithm | a specific set of instructions for solving a problem |

alternate exterior angles | when two parallel lines are cut by a transversal, two angles above and below the parallel lines and on opposite sides of the transversal |

alternate interior angles | when two parallel lines are cut by a transversal, two angles between the parallel lines and on opposite sides of the transversal |

analyze | to separate a thing into parts |

angle | two rays that meet |

arithmetic sequence | sequence of numbers where a number is added or subtracted each time |

associative property | sum or product of a set of numbers is the same no matter how they are grouped |

approximate | to estimate a value which is not exact but close enough to be of use. |

congruent | figures of the same size and shape |

contrast | to give differences |

convex polygon | a polygon that has no interior angle greater then 180 degrees. |

coordinate | ordered pair of numbers that describes a point on a coordinate graph |

coordinate plane | 2 dimensional figure containing horizontal and vertical axes |

corresponding angles | any pair of angles each of which is the same side of one or two lines cut by a transversal and on the same side of the tranversal |

cube | 1) solid with six square faces 2) to raise a number to the third power |

customary system | units of measurements used in U.S. |

cylinder | solid shape with parallel circular bases |

diagonal | line segment connecting two nonajacent vertices in a polygon |

diameter | line segment that passes through the center of a circle and divides it in half |

difference | the answer to a subtraction problem |

directly proportional | two quantities fow which an increase in one causes an increase in the other |

distance | length of shortest line segment between two points, lines, planes |

distributive property | a(b+c)=ab+ac and vice versa (also works for subtraction) |

domain | the set of possible values for the variable |

edge | line segment where two faces of a polyhedron meet |

equation | mathematical sequence stating the two expressions are equal |

equilateral triangle | all sides are of equal length |

equivalent forms | represent the same number |

estimate | an approximation or rough calculation |

exponential form | number written using bases and exponets (32=2 to the fifth power) |

exponents | numeral that indicates how many times a number or expression is multiplied by itself |

expression | combination of numbers, variables, and operations |

faces | flat, polygonal regions of a polyhedron |

factor | number or expression that is multiplied by another to yield a product |

factorial | n!: product of all the whole numbers from 1 to n [3! = (3)(2)(1)] |

Fibonacci numbers | 1, 1, 2, 3, 5, 8, 13, 21,34, 55, 89, … (add previous two) |

fundamental counting principle | If there are m ways for one event to occur and n ways for another event to occur then there are mn ways for both events to occur |

generate | to produce or create |

geometric sequence | sequence where you multiply or divide to get the next term |

horizontal line | flat, level figure moving left to right |

function | assigns exactly one output value to each input value |

hypotenuse | side in a right triangle or opposite side of the right triangle (longest side) |

independant event | in probability, 1 outcome of an event doesn't affect anothers outcome |

inequality | statement that 1 quantity is less than or greater than another |

integers | whole numbers and their opposites |

interpret | to explain the meaning of |

interquartile range | in a set of data the difference between the first and third quartile |

intersection | set of elements that belong to each of two overlapping sets |

interval | space of time between events or objects |

inversely proportional | two quantities for which an increase in one causes an decrease in the other |

inverse operations | operations that undo eachother |

investigate | to study by close examination |

irrational numbers | set of numbers that can't be expressed s finite or repeating decimal |

isoceles triangle | triangle with at least two sides of equal length |

justify | to prove to be right |

legs of a triangle | sides adjacent to the right angle of the right triangle |

line segment | on a line two end points and all points between them. |

linear equation | graph is a line (y=mx=b) |

maximum | greatest value |

mean | average of two or more numbers |

median | middle number in an ordered set of numbers |

metric system | decimal system of weights and measurements |

midpoint | point on a segment that divide's it in two equal segments |

minimum | least value |

mode | number or element which occurs most frequently in a set of numbers |

multiplicative inverse | reciprocal of a number |

multi-stage event | series of several events which occur in successive order |

mutually exclusive events | one has nothing to do with the other |

negative correlation | line of best fit has negative slope |

oblique line | neither horizontal nor vertical |

obtuse angle | any angle that measures more than 90 but less than 180 degrees |

Created by:
pacee513