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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 name for a grouping of the members within a set based on a shared characteristic?






2. 2sqrt4 + sqrt4 =






3. x^6 / x^3






4. What is the slope of a vertical line?

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5. How to find the area of a sector?






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






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






8. What are the rational numbers?






9. a^2 - b^2 =






10. What are congruent triangles?






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






12. To convert a percent to a fraction....






13. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?






14. x^4 + x^7 =






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






16. How many multiples does a given number have?






17. 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?






18. 60 < all primes <70






19. 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?






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






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






22. What is the area of a regular hexagon with side 6?






23. If 4500 is invested at a simple interest rate of 6% - what is the value of the investment after 10 months?






24. What is a chord of a circle?






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






26. What are the real numbers?






27. 5/6 in percent?






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






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






30. 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?






31. The slope of a line perpendicular to (a/b)?






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






33. 40 < all primes<50






34. What are the integers?






35. Factor x^2 - xy + x.






36. 30< all primes<40






37. Pi is a ratio of what to what?

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38. 5/8 in percent?






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






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






41. x^(-y)=






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






43. What is the absolute value function?






44. What is a parabola?






45. A number is divisible by 4 is...






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






47. Order of quadrants:






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






49. What is an isoceles triangle?






50. 10<all primes<20