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# chapter 1

### chapter 1 review

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

Algebraic expression | numbers and variables that are combinded using the operations. no exact equation. |

Algebraic sentence | consists of expressions related with a verb. EX)b+c=b+c or 4x+9>23 no exact equation. |

rules of order of operation | 1)() or any bracket or any grouping symbols 2) powers 3) multiply and divide from left to right 4) add and subtract in order from left to right EX)(2+2)2^2+1=9 no exact equation. |

mapping notation | Mapping notation states that both the name of the functions. EX)B:x->x+x^2/20 reads b maps on to x onto x+x^2/20. |

function | is a relation in which no 2 different ordered pairs have the same first coordinate. |

Distributive property | for all real numbers a,b and c. EX) equation:c(a+b)=ca+cd |

Term | Each number in the sequence is called a term. EX)the first term (of the sequence) is 1; the 2nd term is 3; the 3rd term is 6; the 4th term is 10; the 5th term is 15. |

Subscripted | Subscript is written below and to the right of a variable. EX)"T sub 10 equals 55" the number 10 is the subscript. |

Recursive formula or recursive definition | is a sequence of a set of statements that indicates the first term and indicate the nth term is related to one or more of the previos terms. EX)40,20,10,5,2.5 first term =40 new term =previous term divided by 2 for all terms after the first. |

Created by:
kaleighbrown