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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. 413.03 x 10^(-4) =






2. Which quadrant is the upper left hand?






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






4. Solve the quadratic equation ax^2 + bx + c= 0






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






6. 30< all primes<40






7. In a triangle where the two legs are 4 and 3 - what is the value of a line directly intersecting the middle coming from the meeting point of the two legs?






8. Can you add sqrt 3 and sqrt 5?






9. What is a central angle?






10. What is a set with no members called?






11. x^6 / x^3






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






13. What is a tangent?






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






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






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






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






18. What is the empty set?






19. x^(-y)=






20. Which is greater? 27^(-4) or 9^(-8)






21. a^2 + 2ab + b^2






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






23. Which quandrant is the lower right hand?






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






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






26. What are the irrational numbers?






27. If a=-1 and b=3 - what is the value of (4(a^3)(b^2) - 12(a^2)(b^5)) / (16(a^3)(b^2))?






28. What are complementary angles?






29. To convert a percent to a fraction....






30. 4.809 X 10^7 =






31. What is a major arc?






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






33. What are the real numbers?






34. What is a subset?






35. Surface area for a cylinder?






36. Can the output value of a function have more than one input value?






37. Pi is a ratio of what to what?






38. In similar hexagons - the ratio of the areas is 16:25. What is the ratio of their corresponding sides?






39. 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)]?






40. sqrt 2(sqrt 6)=






41. To multiply a number by 10^x






42. Simplify 9^(1/2) X 4^3 X 2^(-6)?






43. Max and Min lengths for a side of a triangle?






44. What is a finite set?






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






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






47. x^4 + x^7 =






48. What is the order of operations?






49. Order of quadrants:






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