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GRE High Frequency Math Terms

Subjects : gre, math
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Explain the difference between handling a permutation versus a combination.






2. HIGH: What is the unfactored version of (x-y) ?






3. Explain how to solve for 7/






4. If something is possible but not certain - what is the numeric range of probability of it happening?






5. How many degrees does a circle contain?






6. What is one misleading characteristic of quadratic equations that will be exploited on the GRE?






7. Probability Formula






8. a - b is equal to






9. HIGH: What is the side ratio for a 30:60:90 triangle?






10. Explain how to calculate an average (arithmetic mean)






11. Explain the special properties of zero.






12. HIGH: How do you get rid of the fraction in this equation: 5x + 3/2 = 7x






13. What'S a handy rough estimate for a circle'S perimeter - if you know it'S diameter?






14. An integer is divisible by 6 if...






15. What are 'vertical angles'?






16. If x = 144 - does v144 = x?






17. HIGH: What is the factored version of x + 2xy + y ?






18. Solve this: v6 * -v6 = ?






19. HIGH: How do you multiply and divide square roots?






20. HIGH: Simplify this: v75/v27






21. An integer is divisible by 9 if...






22. What is the 'Third side' rule for triangles?






23. HIGH: Rough est. of v1 =






24. HIGH: What is the unfactored version of x-y ?






25. What is the sum of any 'big' angle and any 'Small' angle?






26. HIGH: Rough est. of v3 =






27. HIGH: x^-n is equal to






28. What degree angle is a line?






29. HIGH: What is the formula for the diagonal of any square?






30. What is the formula to determine probability?






31. How do you calculate the probability of EITHER one event OR another event happening? (Probability of A or B)






32. Define a factorial of a number - and how it is written.






33. HIGH: Describe how to deal with 2 sets of parentheses.






34. An integer is divisible by 2 if...






35. How do you solve a permutation?






36. How do you solve a combination?






37. What is a 'Right' triangle?






38. HIGH: What is the factored version of (x+y)(x-y) ?






39. What is the equation for a group problem?






40. Simplify this: v32






41. Convert to a percentage: 2/5






42. An integer is divisible by 3 if...






43. HIGH: How much of your times table should you know - for the GRE?






44. An integer is divisible by 8 if...






45. Define the median of a set of numbers - and how to find it for an odd and even number of values in a set.






46. HIGH: What is the unfactored version of (x+y) ?






47. What number goes on the bottom of a probability fraction?






48. What is the name of a line that extends from the center of a circle to the edge of a circle?






49. HIGH: How do you multiply powers with the same base?






50. If something is certain to happen - how is the probability of this event expressed mathematically?