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GRE Math: Common Errors

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. What is the order of operations?






2. What is the sum of the angles of a triangle?






3. From a box of 12 candles - you are to remove 5. How many different sets of 5 candles could you remove?






4. 6w^2 - w - 15 = 0






5. There are 10 finalists for the school spelling bee. A first - second - and third place trophy will be awarded. How many different people can get the three prizes?






6. What is the percent formula?






7. What is a set with no members called?






8. x^2 = 9. What is the value of x?






9. What are congruent triangles?






10. Evaluate and write as a mixed number: 2/7 - 3/21 + 2 & 4/14






11. What is the 'Solution' for a system of linear equations?






12. What are the integers?






13. How to find the diagonal of a rectangular solid?






14. A number is divisible by 6 if...






15. How many 3-digit positive integers are even and do not contain the digit 4?






16. What is the 'union' of A and B?






17. Formula to find a circle'S circumference from its diameter?






18. What is a major arc?

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19. Which quadrant is the upper right hand?






20. 60 < all primes <70






21. Which is greater? 64^5 or 16^8






22. What is the name of set with a number of elements which cannot be counted?






23. The larger the absolute value of the slope...






24. Simplify 4sqrt21 X 5sqrt2 / 10sqrt7






25. Can you subtract 3sqrt4 from sqrt4?






26. What is the common monomial factor in the expression 4(c^3)d - (c^2)(d^2) + 2cd?






27. What does scientific notation mean?






28. Define an 'expression'.






29. Surface area for a cylinder?






30. a^2 - 2ab + b^2






31. What are the irrational numbers?

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32. What is the 'Range' of a function?






33. What does the graph x^2 + y^2 = 64 look like?






34. 25^(1/2) or sqrt. 25 =






35. Which quadrant is the lower left hand?






36. Which quadrant is the upper left hand?






37. What is the third quartile of the following data set: 44 - 58 - 63 - 63 - 68 - 70 - 82






38. (6sqrt3) x (2sqrt5) =






39. When the 'a' in a parabola is positive....






40. Factor x^2 - xy + x.






41. The four angles around a point measure y - 2y - 35 and 55 respectively. What is the value of y?






42. What are the roots of the quadrinomial x^2 + 2x + 1?






43. What are 'Supplementary angles?'






44. 10^6 has how many zeroes?






45. If Madagascar'S exports totaled 1.3 billion in 2009 - and 4% came from China - what was the value in millions of the country'S exports to China?






46. Length of an arc of a circle?






47. What are the real numbers?






48. Area of a triangle?






49. Suppose that the graph of f(x) is the result of sliding the graph of y=2x^2 down 3 units of spaces. What is the new equation?






50. What is a chord of a circle?