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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. Which quadrant is the upper left hand?






2. What is a subset?






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






4. Define a 'monomial'






5. What is the formula for compounded interest?






6. P and r are factors of 100. What is greater - pr or 100?






7. If you have a set of n objects - but you only want to order k of them - what formula do you use to determine the number of permutations?






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






9. x^(-y)=






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






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






12. 1/8 in percent?






13. There are 10 finalists for the school spelling bee. A first - second - and third place trophy will be awarded. In how many ways can the judges award the 3 prizes?






14. Pi is a ratio of what to what?

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






16. In a triangle where the two legs are 4 and 3 - what is the value of a line directly intersecting the middle coming from the meeting point of the two legs?






17. 10^6 has how many zeroes?






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






19. 5x^2 - 35x -55 = 0






20. Can you subtract 3sqrt4 from sqrt4?






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






22. If the two sides of a triangle are unequal then the longer side...






23. 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?






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






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






26. What are 'Supplementary angles?'






27. Evaluate 4/11 + 11/12






28. What is a finite set?






29. a^2 - b^2






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






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






32. Formula for the area of a circle?






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






34. Define an 'expression'.






35. 1:sqrt3:2 is the ratio of the sides of what kind of triangle?






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






37. What is an arc of a circle?






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






39. The number of degrees in the largest angle of a triangle inscribed in a circle - in which the diameter of the circle is one side of the triangle.






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






41. What is a chord of a circle?






42. Factor x^2 - xy + x.






43. What percent of 40 is 22?






44. 25^(1/2) or sqrt. 25 =






45. 8.84 / 5.2






46. Simplify 4sqrt21 X 5sqrt2 / 10sqrt7






47. Length of an arc of a circle?






48. What is the order of operations?






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






50. Order of quadrants:







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