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# Math final 2012

### Vocab

slope rise over run
slope intercept form a linear equation in the form y=mx+b, m=slope and b= y-intercept
y-intercept the y coordinate of a point where a graph crosses the y-axis
inequality mathematical sentence that contains <,>,(not equal to),(less than or equal to), (greater than or equal to)
null set a set with no elements, shown by a circle with a line through it
acute angle an angle with a measure greater than 0 and less than 90 degrees
congruent line segments that have the same length, or angles that have the same measure, or figures that have the same size and shape
hypotenuse the side opposite the right angle in a right triangle
irrational numbers numbers that cannot be expressed as a over b where a and b are integers and b does not equal 0
isoceles triangle a triangle with at least 2 congruent sides
line segment part of a line containing 2 end points and all the points between them
obtuse triangle a triangle with 1 obtuse angle
perfect square rational numbers whose square roots are whole numbers
right angle and angle that measures 90 degrees
scalene triangle a triangle with no congruent sides
similar figures figures that have the same shape but not the same size
straight angle an angle with a measure equal to 180 degrees
vertex vertex of a polygon is a point where 2 sides of the polygon intersect
adjacent angles 2 angles that have the same vertex, share a common side, and do not overlap
altitude a line segment that is perpendicular to the base of a figure with endpoints on the base and the side opposite the base
circle the set of all points in a plane that are the same distance from a given point called the center
circumference the distance around a circle
complementary 2 angles where the sum of their measures is 90 degrees
diameter the distance across a circle through its center
parallel lines 2 lines in the same plane that do not intersect
parallelogram a quadrilateral with sides parallel and congruent
perpendicular lines lines that intersect to form a right angle
quadrilateral a closed figure with four sides and four vertices
radius the distance from the center to any point on the circle
regular polygon a polygon having all sides and angles congruent
rhombus a parallelogram with 4 congruent sides
supplementary 2 angles where the sum of their measures is 180 degrees
transformation a movement of a geometric figure
trapezoid a quadrilateral with one pair of parallel sides
vertical angles 2 pairs of opposite angles formed by 2 intersecting lines
cone a 3-dimensional figure with one circular base
cylinder a solid that has 2 parallel, congruent bases connected with a curved side
edge where 2 planes intersect in a line
face a flat surface, the side or base of a prism
lateral area the sum of the areas of the lateral faces of a solid
polyhedron a solid with flat surfaces that are polygons
prism a polyhedron that has 2 parallel, congruent bases in the shape of polygons
pyramid a polyhedron that has a polygon for a base and triangles for sides
slant height the length of the altitude of a lateral face of a regular pyramid or cone
sphere the set of all points in a space that are given a distance, r, from the center
surface area the sum of the areas of all the surfaces(faces) of a 3-dimensional figure
volume the measure of a space occupied by a solid region
combination an arrangement or listing where order is not important
dependent events 2 or more events in which the outcome of one event affects the outcome of the other events
independent events 2 or more events in which the outcome of one event does not affect the outcome of the other events
interquartile range UQ-LQ
mutually exclusive events 2 or more events that cannot happen at the same time
permutation an arrangement or listing in which order is important
probability the ratio of the number of ways a certain event can occur to the number of possible outcomes
quartiles the values that divide a set of data into 4 equal parts
sample space the set of all possible outcomes
Created by: jramirez11