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Chapter 1
Question | Answer |
---|---|
Algebraic Expression | numbers and variables are combined using the operations |
Algebraic Sentence | an algebraic expression containing an = |
Dependent Variable | range of a function |
Independent Variable | domain of a function |
Natural/Counting Numbers | numbers such as 1,2,3,4 |
Whole Numbers | counting numbers and also 0 |
Integers | includes negative numbers |
Rational Numbers | include fractions, decimals, and square roots |
f(x) notation | used instead of y |
Function | a relation in which no two different ordered pairs have the same first coordinate |
Theorem (Vertical Line Test) | no vertical line intersects the graph of a function in more than one point |
Distributive Property | c(a+b)=ca+cb |
Opposite of a Sum Theorem | -(a=b)= -a+ -b |
Term | each number in a sequence |
Explicit Formula for the Nth Term | t(n)= n(n+1)/2 |
Recursive Formula | indicates the first term, and tells how the nth term is related to the previous terms |