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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 slope of a horizontal line?






2. Circumference of a circle?






3. What is a piecewise equation?






4. How to determine percent increase?






5. The objects in a set are called two names:






6. To convert a percent to a fraction....






7. Which quadrant is the lower left hand?






8. How many multiples does a given number have?






9. 30< all primes<40






10. What is the order of operations?






11. What is the set of elements found in both A and B?






12. What is it called when a point is reflected to the quadrant opposite it (i.e. I to III or II to IV)?






13. Area of a triangle?






14. Reduce: 4.8 : 0.8 : 1.6






15. a^2 + 2ab + b^2






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






17. What is the 'Range' of a series of numbers?






18. In a regular polygon with n sides - the formula for the sum of interior angles






19. 8.84 / 5.2






20. What percent of 40 is 22?






21. Write 10 -843 X 10^7 in scientific notation






22. What is the formula for computing simple interest?






23. What is the slope of a vertical line?

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24. (a^-1)/a^5






25. What is the ratio of the sides of an isosceles right triangle?






26. Which quadrant is the upper left hand?






27. Evaluate (4^3)^2






28. 4.809 X 10^7 =






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






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






31. What are complementary angles?






32. (12sqrt15) / (2sqrt5) =






33. What is the intersection of A and B?






34. Can you simplify sqrt72?






35. Which quandrant is the lower right hand?






36. To multiply a number by 10^x






37. What is the 'Solution' for a set of inequalities.






38. (-1)^3 =






39. When does a function automatically have a restricted domain (2)?






40. There are 10 finalists for the school spelling bee. A first - second - and third place trophy will be awarded. In how many ways can the judges award the 3 prizes?






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






42. What are the rational numbers?






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






44. Volume for a cylinder?






45. What is the coefficient of the x^2 term in the product of (x + 1)(x + 2)(x -1)?






46. Whats the difference between factors and multiples?






47. Simplify the expression [(b^2 - c^2) / (b - c)]






48. If 10800 is invested at a simple interest rate of 4% - what is the value of the investment after 18 months?






49. 70 < all primes< 80






50. What are the irrational numbers?

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