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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 a major arc?


2. Formula of rectangle where l increases by 20% and w decreases by 20%






3. What is a set with no members called?






4. What is the slope of a vertical line?


5. In a triangle inscribed inside a circle - where the diameter is one side of the triangle - which angle is largest?






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






7. 40 < all primes<50






8. For what values should the domain be restricted for the function f(x) = sqrt(x + 8)






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






10. 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?






11. Which is greater? 200x^295 or 10x^294?






12. a^2 - 2ab + b^2






13. 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)?






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






15. sqrt 2(sqrt 6)=






16. What transformation occurs if point C is reflected over the x-axis and then the y-axis?






17. What is the measure of an exterior angle of a regular pentagon?






18. What is the slope of a horizontal line?






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






20. Formula to calculate arc length?






21. What are the smallest three prime numbers greater than 65?






22. Evaluate 4/11 + 11/12






23. If 8 schools are in a conference - how many games are played if each team plays each other exactly once?






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






25. 3/8 in percent?






26. Write 10 -843 X 10^7 in scientific notation






27. To convert a decimal to a percent...






28. x^4 + x^7 =






29. Can you add sqrt 3 and sqrt 5?






30. How to find the area of a sector?






31. Is 0 even or odd?






32. 70 < all primes< 80






33. Volume for a cylinder?






34. From a box of 12 candles - you are to remove 5. How many different sets of 5 candles could you remove?






35. To convert a percent to a fraction....






36. What is the 'Restricted domain of a function'?






37. Formula to find a circle'S circumference from its radius?






38. Length of an arc of a circle?






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






40. 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?






41. Which quadrant is the upper left hand?






42. Convert 0.7% to a fraction.






43. Reduce: 4.8 : 0.8 : 1.6






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






45. 60 < all primes <70






46. 5/8 in percent?






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






48. Surface area for a cylinder?






49. 2sqrt4 + sqrt4 =






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