Module 2 - Graphing
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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Graph y=1/2x+4 | Locate the y-intercept (4,0) on the graph and plot the point.
From this point, use the slope (1/2=up positive one over positive two) to find a second point and plot it.
Draw the line that connects the two points.
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write the equation Slope=1/4 y-intercept=-3 | y=mx+b
m=1/4 and b=(-3,0)
y=1/4x-3
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Graph y=-3x+2 | Locate the y-intercept (2,0) on the graph and plot the point.
From this point, use the slope (-3/1)=down negative three over positive one) to find a second point and plot it.
Draw the line that connects the two points.
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Rewrite y=2x-6 in standard form | y=2x-6
-2x+y=2x-2x-6 (subtract 2x from both sides)
-2x+y=-6
-1[-2x+y=-6] (multiply all items by -1)
2x-y=6 (the equation is now in standard form)
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Slope -6; y-intercept (0,2) | The equation is f(x)=-6x+2
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Slope 3; y-intercept (0,-4) | the equation is f(x)= 3x-4
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slope -2; y-intercept (0,7) | the equation is f(x)= -2x+7
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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:
juliesloms
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