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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. A cylinder has a surface area of 22pi. If the cylinder has a height of 10 - what is the radius?






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






3. A triangle is inscribed in a semi circle with legs 5 and 12. What is the circumfermence of the semicircle?






4. What are the integers?






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






6. Formula for the area of a sector of a circle?






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






8. What is a set with no members called?






9. Evaluate 4/11 + 11/12






10. What is the surface area of a cylinder with radius 5 and height 8?






11. To convert a percent to a fraction....






12. Number of degrees in a triangle






13. 4.809 X 10^7 =






14. What is the intersection of A and B?






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






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






17. a^2 - b^2






18. What is the empty set?






19. 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?






20. 5/8 in percent?






21. 6w^2 - w - 15 = 0






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






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






24. What is the name for a grouping of the members within a set based on a shared characteristic?






25. What is the absolute value function?






26. How to find the area of a sector?






27. Factor a^2 + 2ab + b^2






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






29. 413.03 x 10^(-4) =






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






31. 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)]?






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






33. What is the slope of a vertical line?

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34. Can the input value of a function have more than one output value (i.e. x: y - y1)?






35. 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?






36. (-1)^2 =






37. What is a piecewise equation?






38. Factor x^2 - xy + x.






39. Legs 6 - 8. Hypotenuse?






40. What percent of 40 is 22?






41. What are the members or elements of a set?






42. What number between 70 & 75 - inclusive - has the greatest number of factors?






43. What is the ratio of the sides of a 30-60-90 triangle?






44. Simplify (a^2 + b)^2 - (a^2 - b)^2






45. The ratio of the areas of two similar polygons is ...






46. Whats the difference between factors and multiples?






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






48. Volume for a cylinder?






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






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