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chapter 1

chapter 1 review

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