Functions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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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
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What is the difference between the indpendent and the dependent variables? | The dependent variable depends on the other numbers or the independent variable
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What is a function? | A function is a relation in which no two different ordered pairs have the same first coordinate.
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What is the distributive property? | For all real numbers a, b, and c, c(a+b)=ca+cb
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What is the opposite of sum theorem? | For all real numbers a and b, -(a+b)=-a+-b
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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:
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What is the vertical-line test for functions? | No vertical line intersects the graph of a function in more than one point.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
jsica
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