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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. Is 0 even or odd?






2. The perimeter of a square is 48 inches. The length of its diagonal is:






3. A number is divisible by 3 if ...






4. Simplify (a^2 + b)^2 - (a^2 - b)^2






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






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






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






8. How many sides does a hexagon have?






9. What are the rational numbers?






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






11. (6sqrt3) x (2sqrt5) =






12. Can you subtract 3sqrt4 from sqrt4?






13. Legs: 3 - 4. Hypotenuse?






14. What is the formula for compounded interest?






15. 5/6 in percent?






16. 1/2 divided by 3/7 is the same as






17. a^2 + 2ab + b^2






18. What is a tangent?






19. What is the slope of a vertical line?

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20. (12sqrt15) / (2sqrt5) =






21. 413.03 x 10^(-4) =






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






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






24. 10^6 has how many zeroes?






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






26. What is the common monomial factor in the expression 4(c^3)d - (c^2)(d^2) + 2cd?






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






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






29. The larger the absolute value of the slope...






30. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?






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






32. 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?






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






34. What are the real numbers?






35. What is it called when a point is reflected to the quadrant opposite it (i.e. I to III or II to IV)?






36. What is the intersection of A and B?






37. (x^2)^4






38. What is the third quartile of the following data set: 44 - 58 - 63 - 63 - 68 - 70 - 82






39. Legs 6 - 8. Hypotenuse?






40. If an inequality is multiplied or divided by a negative number....






41. What is a parabola?






42. Pi is a ratio of what to what?

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43. What percent of 40 is 22?






44. Formula for the area of a circle?






45. What is a piecewise equation?






46. What is a subset?






47. 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))?






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






49. Nine coins are tossed simultaneously. In how many of the outcomes will the fourth coin tossed show heads?






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