Sams ALGEBRA EXAM
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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| How would you graph this type of equation? y=x+b | x=slope b=y-intercept
You would graph a point at the y-int and then do rise over run with the slope to draw the line. (ex: 2=2/1 rise 2 right 1)
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| How do you find the rate of change in a table? | y/x divide y over x and simplify.
If that doesn't work, you need to add or subtract. (ex: 2x+4)
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| What do you do to find the slope of a pair of points? (ex: (1,70) (10,1)) | m=y2-y1/x2-x1
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| How would you find the slope of a line looking at a graph? | Find the y-int and do rise/run.
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| If a line is horizontal, what is it's slope? | 0.
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| If a line is vertical, what is it's slope? | Undefined.
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| Explain graphing an inequality. | It would look something like this: y<x-b and negative means to shade below and vice versa. If the <,> is underlined that means the line is solid, if it is not then the line is dotted.
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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.
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.
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:
jiffypb
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