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






2. What are the integers?






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






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






5. Volume for a cylinder?






6. What is an exterior angle?






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






8. 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






9. sqrt 2(sqrt 6)=






10. Define a 'Term' -






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. 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))?






13. What is a chord of a circle?






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






15. 3/8 in percent?






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






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






18. What is the area of a regular hexagon with side 6?






19. a^2 - b^2






20. Legs: 3 - 4. Hypotenuse?






21. 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.






22. What is a piecewise equation?






23. Describe the relationship between the graphs of x^2 and (1/2)x^2






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






25. How to determine percent decrease?






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






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






28. Formula for the area of a circle?






29. What is the slope of a vertical line?

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30. 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?






31. Surface area for a cylinder?






32. What are complementary angles?






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






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






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






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






37. Is 0 even or odd?






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






39. What is the formula for computing simple interest?






40. To multiply a number by 10^x






41. Which quadrant is the upper right hand?






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






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






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






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






46. 10<all primes<20






47. Reduce: 4.8 : 0.8 : 1.6






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






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






50. 1/8 in percent?







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