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algebra ch. 1


What is the order of the operations? 1. do what is in the parentheses 2. do the powers 3. multiply and divide in order from left to right 4. add and subtract in order from left to right
What is the difference between the indpendent and the dependent variables? The dependent variable depends on the other numbers or the independent variable
What is a function? A function is a relation in which no two different ordered pairs have the same first coordinate.
What is the distributive property? For all real numbers a, b, and c, c(a+b)=ca+cb
What is the opposite of sum theorem? For all real numbers a and b, -(a+b)=-a+-b
What are natural numbers/counting numbers, whole numbers, integers, rational numbers, and real numbers? Natural/Counting: 1,2,3,4,5... Whole: 0,1,2,3,4,5... Integers: ...,-3,-2,-1,0,1,2,3... Rational: set of numbers that can be represented by ratios0,1,2/3,-34/10,.004,9.618 Real: set of numbers that can be represented by decimals 0,1,-7,pi,2.34 Real:
What is the vertical-line test for functions? No vertical line intersects the graph of a function in more than one point.
Created by: jsica