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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. If r - t - s & u are distinct - consecutive prime numbers - less than 31 - which of the following could be an average of them (4 - 4.25 - 6 - 9 - 24 - 22 - 24)






2. (-1)^2 =






3. What are the roots of the quadrinomial x^2 + 2x + 1?






4. What is a parabola?






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






8. Volume for a cylinder?






9. Surface area for a cylinder?






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






11. How many digits are there between the decimal point and the first even digit in the decimal equivalent of 1/[(2^8)(5^3)]






12. What is the maximum value for the function g(x) = (-2x^2) -1?






13. How to find the area of a sector?






14. Simplify 4sqrt21 X 5sqrt2 / 10sqrt7






15. What is a central angle?






16. What are complementary angles?






17. x^(-y)=






18. Whats the difference between factors and multiples?






19. What is the formula for computing simple interest?






20. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?






21. Evaluate (4^3)^2






22. 3/8 in percent?






23. What are congruent triangles?






24. x^6 / x^3






25. 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)]?






26. Formula to calculate arc length?






27. When the 'a' in the parabola is negative...






28. Which quadrant is the upper right hand?






29. What is the absolute value function?






30. What is the empty set?






31. 25^(1/2) or sqrt. 25 =






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






33. Which quandrant is the lower right hand?






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






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






36. What are the integers?






37. 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))?






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






39. 50 < all primes< 60






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






41. Length of an arc of a circle?






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






43. 2sqrt4 + sqrt4 =






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






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






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






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






48. What is an arc of a circle?






49. 7/8 in percent?






50. Can you simplify sqrt72?







Sorry!:) No result found.

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