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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. Surface area for a cylinder?






2. What is the absolute value function?






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






4. Legs 5 - 12. Hypotenuse?






5. 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?






6. x^4 + x^7 =






7. 50 < all primes< 60






8. What are the real numbers?






9. If the 80th percentile of the measurements is 72degrees - about how many measurments are between 69 degrees and 72 degrees? Round your answer to the nearest tenth






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






11. Suppose that the graph of f(x) is the result of stretching y=x + 5 away from the x-axis by a factor of 2. What is the new equation for the graph f(x)?






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






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






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






15. Whats the difference between factors and multiples?






16. What is a finite set?






17. What does scientific notation mean?






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






19. Circumference of a circle?






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






21. 5/6 in percent?






22. What are the integers?






23. How to find the circumference of a circle which circumscribes a square?






24. What is the set of elements which can be found in either A or B?






25. a^2 - b^2 =






26. 200 <_ x <_ 300. How many values of x are divisible by 5 & 8?






27. A brick with dimensions 10. 15 and 25 weighs 1.5 kg. A second brick (same density) has dimensions 12 - 18 - and 30. What is the weight of the second brick?






28. 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?






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






30. What is the order of operations?






31. 60 < all primes <70






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






33. Can you subtract 3sqrt4 from sqrt4?






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






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






36. What are complementary angles?






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






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






39. a^2 + 2ab + b^2






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






41. Evaluate 3& 2/7 / 1/3






42. 10^6 has how many zeroes?






43. 5 bakeries sell an average of 300 muffins per bakery per day. If 2 stop making muffins but the total muffins sold stays the same - what is the average of muffins per bakery sold among the remaining?






44. What is the intersection of A and B?






45. Find the surface area of a cylinder with radius 3 and height 12.






46. What are 'Supplementary angles?'






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






48. A number is divisible by 4 is...






49. Which quandrant is the lower right hand?






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







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