Basic Math for the GRE General
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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| percent formula | show 🗑
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| show | sum = average * number of terms
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| median | show 🗑
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| average of consecutive numbers | show 🗑
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| show | B - A + 1 = number of integers
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| mode | show 🗑
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| range | show 🗑
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| show | p = number of favorable outcomes/total number of possible outcomes
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| area of a triangle | show 🗑
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| isosceles triangle | show 🗑
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| show | 3 equal 60 angles. 3 equal sides
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| show | a^2 + b^2 = c^2
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| show | 3-4-5
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| special triangle (right) | show 🗑
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| show | 1-2-sqrt3
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| show | 1-1-sqrt2
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| area of a square | show 🗑
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| area of a parallelogram | show 🗑
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| show | A = 1/2 h * (b1 + b2)
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| show | C = 2pi*r
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| show | A = pi * r^2
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| show | interest = (principal) x (interest rate) x (time)
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| show | final balance = principal * ( 1 + (interest rate/C))^((time)(C))
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| length of an arc | show 🗑
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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:
rlw0217
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