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# Math 30

Math 30 vocabulary | Math 30 definitions |
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What is a circle? | a set of points in a plane that are equidistant to the radius from a given point (the center) |

What is a radius? | the distance from the center to any point on the circle |

What is a chord? | a segment with end points on the circle |

What is the diameter? | a chord containing a chord |

What is a secant? | a line containing a chord |

What is a tangent? | a line that is tangent to a circle intersects the circle at exactly one point on the circle |

What is a central angle? | an angle with a vertex at the center of the circle |

What is an inscribed angle? | an angle with sides containing two chords of the circle |

What is a minor arc? | an arc less than half the circle |

What is a major arc? | the arc greater than a semicircle |

What is the measurement of a minor arc? | equals its central angle |

Raw data | this is statistical information as it is collected before it has been grouped in any way. |

Tabulated data | this is statistical information that has been grouped and adjusted in tabular form |

Histogram | this is a graph in which equal intervals are given on the x axis and y axis |

frequency polygon | this is a type of line graph produced by joining the midpoints of the tops of the columns of a histogram |

Population pyramid | this is the graph that consist of two back-to-back, horizontal histograms with a common verticle axis, used to interpret how people of various ages live. |

Ogive | this is the graph of a cumulative frequency distribution and has the shape of an elongened 's' |

Multiple line graph | This is the graph that consists of one or more line graph used to compare one commodity to another |

Stacked bar graph | this is a bar graph consisting of two or more stacks, used to compare data |

Circle/Pie Graph | This is a circular graph used to show the relation of one part to another and one part to a whole |

Why are statistics often harmful? | because graphs which give visual representations of data may be very misleading |

box plots | this is a diagramic way of showing the spread of distribution |

Survey Maps | these maps of a region or country that indicate by colors or other format how the population feels abuot a certain area |

weather maps | representation of symbols of curved lines over a superimposed over a variety of weather elements and ailments |

contour Maps | this is a pictorial representation of curves on a map through points that represent places with the same hieght abuot sea level. It is the top view of an area |

Maps use contour lines to : | show the outlines of hills and valleys above or below sea level |

Exponential growth and exponential are examples of : | Exponential equations |

In oder to solve any equation, | we are looking for the values that make the equation equal to zero |

absolute cell reference | in a spreadsheet formula a reference to one particular cell of the spredsheet |

accuracy | when refering tom a measurement it indicates how close the measurement is to its true value |

active cell | the cell of a spread sheet that you have indicated |

acute angle | an angle where its less then 90 degrees |

adjacent side | in a right angle the side next to the named angle that is not the hypotenuse |

alleles | alternate forms of a gene |

altitude | the perpendicular distance from abase of a figure |

amplitude | half the distance between the maximum and minimum values an equation |

Created by:
classclown05