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# Parallel and Perpen

Term | Definition |
---|---|

Slope | How steep a straight line is. Divide the change in height by the change in horizontal distance |

Slopes of parallel lines | Slope of a line in ratio of change in y axis to x axis that is the small change in entity in the y axis to the small change in entity in the x axis is called as slope |

Slopes of perpendicular lines | One is the negative reciprocal of the other. That is, the product of the two slopes is -1. UNLESS one of them is zero, in which case the slope of the other is infinite. |

Slope – intercept form | the equation of a straight line in the form y = mx + b where m is the slope of the line and b is its y-intercept |

Standard form | Standard form in math is the basic form of writing numbers as you normally would. For example, two thousand should basically be written as 2,000. It is also the writing of large numbers to very small numbers like, 103 = 1000. |

Theorem 3.8 | If a line is tangent to a circle, then all of the points which are either on the circle or inside the circle except for the point of tangency are all on the same side of the line. |

Theorem 3.9 | Let A and B be two points on a circle. The foot of the center of the circle in the line determined by A and B is the midpoint of the line segment between A and B. |

Theorem 3.10 | The points which lie on the intersection of two circles which have different centers whose equations are |

Perpendicular transversal theorem | In a plane, if a line is perpendicular to one of two parallel lines, then it is perpendicular to the other line also. |

Lines perpendicular to a transversal theorem | in a plane if two lines are perpendicular to the same line then they are parallel to each other |

Distance from a point to a line | the distance from a point to a line is the length of athe perpendicular segment from the point to the line. this perpendicular segment is the shortest distance between the point and the line. for |

Created by:
theleagen