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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. a^0 =






2. (6sqrt3) x (2sqrt5) =






3. Volume for a cylinder?






4. 5x^2 - 35x -55 = 0






5. Surface area for a cylinder?






6. 5/6 in percent?






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






8. How to find the area of a sector?






9. How to determine percent decrease?






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






11. What is the percent formula?






12. Simplify the expression (p^2 - q^2)/ -5(q - p)






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






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






15. What is a subset?






16. 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?






17. 25^(1/2) or sqrt. 25 =






18. What is the order of operations?






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






20. Length of an arc of a circle?






21. What is a set with no members called?






22. a^2 - b^2 =






23. What is the formula for compounded interest?






24. What is a finite set?






25. What is the 'Range' of a series of numbers?






26. Convert 0.7% to a fraction.






27. 4.809 X 10^7 =






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






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






30. How to find the diagonal of a rectangular solid?






31. 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?






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






33. What is a central angle?






34. 10^6 has how many zeroes?






35. What is the ratio of the surface area of a cube with an edge of 10 to the surface area of a rectangular solid with dimensions 2 - 4 - and 6?






36. What does the graph (x+2)^2 + (y+2)^2 = 9 look like?






37. To convert a percent to a fraction....






38. Circumference of a circle?






39. Legs: 3 - 4. Hypotenuse?






40. What are congruent triangles?






41. 0^0






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






43. Formula to calculate arc length?






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






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






46. 1/8 in percent?






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






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






49. What is the intersection of A and B?






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