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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. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?






2. T or F? Given d -e &f =/ 0 - [(d^3)e(f^5)] / 2d(e^3) / [3(d^2)(e^3)(f^7)] / [6(e^5)(f^2)]?






3. What are congruent triangles?






4. 50 < all primes< 60






5. What is the intersection of A and B?






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






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






8. What is a parabola?






9. 5/8 in percent?






10. Volume for a cylinder?






11. Suppose you have a set of n objects - and you want to select k of them - but the order doesn'T matter. What formula do you use to determine the number of combinations of n objects taken k at a time?






12. a^2 + 2ab + b^2






13. Describe the relationship between the graphs of x^2 and (1/2)x^2






14. What is a set with no members called?






15. 1:sqrt3:2 is the ratio of the sides of what kind of triangle?






16. a^0 =






17. What is a tangent?






18. Surface area for a cylinder?






19. A number is divisible by 3 if ...






20. What is a finite set?






21. Simplify the expression (p^2 - q^2)/ -5(q - p)






22. 10<all primes<20






23. Can you simplify sqrt72?






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






25. Describe the relationship between 3x^2 and 3(x - 1)^2






26. What are complementary angles?






27. What are the integers?






28. 60 < all primes <70






29. 2sqrt4 + sqrt4 =






30. What is the graph of f(x) shifted downward c units or spaces?






31. Number of degrees in a triangle






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






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






34. What is the side length of an equilateral triangle with altitude 6?






35. a^2 - b^2 =






36. What is the formula for compounded interest?






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






38. Legs 5 - 12. Hypotenuse?






39. sqrt 2(sqrt 6)=






40. What is the graph of f(x) shifted upward c units or spaces?






41. What is the 'Restricted domain of a function'?






42. What are the real numbers?






43. 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?






44. What is the 'domain' of a function?






45. How many multiples does a given number have?






46. What is the graph of f(x) shifted left c units or spaces?






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






48. Formula for the area of a circle?






49. Employee X is paid 19.50 per hour no matter how many a week. Employee Y earns 18 for the first 40 and 1.5 the hourly wage for every hour after that. If both earned the same amount and worked the same in one week - how many did each work?






50. Legs 6 - 8. Hypotenuse?