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






2. What is the equation for a group problem?






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


4. Convert to a percentage: 1/4






5. What kind of triangle is this: has two sides of equal length - and a 90 degree angle?






6. Probability Formula






7. HIGH: Rough est. of v2 =






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






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






10. How precise do you need to be - using p on the GRE?


11. The probability of an event happening and the probability of an event NOT happening must add up to what number?






12. HIGH: x^-n is equal to






13. HIGH: What is a '30:60:90' triangle?






14. HIGH: what is the side ratio for a Right Isosceles triangle?






15. What are 'vertical angles'?






16. HIGH: Area of a circle






17. Explain how to solve for 7/¼






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






19. When 2 lines are perpendicular to each other - their intersection forms 4 angles. What degree are these 4 angles?






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






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






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






23. HIGH: What is the equation of a line?


24. How do you divide fractions?






25. Does order matter for a permutation? How about for a combination?






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






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


28. HIGH: Explain the process to solve '56 is what percent of 80?'


29. How is a range expressed with inequalities?






30. What is a 'Right' triangle?






31. How many angles are formed when 2 lines intersect? and what is the sum of these angles?






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






33. In a coordinate system - identify the quadrants and describe their location.






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






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






36. An integer is divisible by 5 if...






37. List two odd behaviors of exponents






38. What should you do BEFORE you start to solve a GRE math problem?


39. What do combination problems usually ask for?






40. HIGH: What must be true before a quadratic equation can be solved?


41. HIGH: how do you calculate a diagonal inside a 3-dimensional rectangular box?






42. HIGH: To divide powers with the same base...






43. What degree angle is a line?






44. Explain the special properties of zero.






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






46. How do you calculate the probability of two events in a row? (Probability of A and B)






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






48. HIGH: Volume of a cylinder?






49. In a coordinate system - what is the origin?






50. HIGH: Describe and define three expressions of quadratic equations - in both factored and unfactored forms. Know these cold.