The Circle SWardrop
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 radius and center for the circle x^2+y^2=9? | Radius is 3. Center is (0,0)
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What is the radius and center for the circle x^2+(y-2)^2=4 | Radius is 2. Center is (0,2)
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What is the radius and center for the circle x^2+4x+y^2-6y=3 | Radius is 4. Center is (-2,3)
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What is the equation for a circle with the radius of (0,0) and a center of 10^(1/2)? | x^2+y^2=10
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In which direction does the parabola for the equation x=y^2-7 open? | To the right.
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What is the radius and center of the circle (x-3)^2 + (y-2)^2 = 9? | Radius is 3. Center is (3,2)
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What does the equation x^2+y^2-4x+6y-23=0 Look like in standard circle form? | (x-2)^2+(y-(-3))^2=6^2
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What does the equation x^2+y^2-6x+6y-7 = 0 look like in standard circle form? | (x-3)^2+(y-(-6))^2=(5)^2
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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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