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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. How to determine percent increase?






2. 40 < all primes<50






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






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






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






6. If Madagascar'S exports totaled 1.3 billion in 2009 - and 4% came from China - what was the value in millions of the country'S exports to China?






7. Formula for the area of a sector of a circle?






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






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






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






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






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






13. What is the 'Solution' for a set of inequalities.






14. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?






15. 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?






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






17. What is an exterior angle?






18. What is a central angle?






19. Length of an arc of a circle?






20. Define a 'monomial'






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






22. What is the maximum value for the function g(x) = (-2x^2) -1?






23. Which quadrant is the lower left hand?






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






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






26. Can you subtract 3sqrt4 from sqrt4?






27. What is the absolute value function?






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






29. 7/8 in percent?






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






31. How many 3-digit positive integers are even and do not contain the digit 4?






32. If 4500 is invested at a simple interest rate of 6% - what is the value of the investment after 10 months?






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






34. (6sqrt3) x (2sqrt5) =






35. a^0 =






36. What are 'Supplementary angles?'






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






38. What does scientific notation mean?






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






40. A triangle is inscribed in a semi circle with legs 5 and 12. What is the circumfermence of the semicircle?






41. 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?






42. What are complementary angles?






43. What is the slope of a vertical line?

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44. Describe the relationship between 3x^2 and 3(x - 1)^2






45. Simplify 4sqrt21 X 5sqrt2 / 10sqrt7






46. Which is greater? 27^(-4) or 9^(-8)






47. What is a subset?






48. What is a minor arc?

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49. Solve the quadratic equation ax^2 + bx + c= 0






50. When does a function automatically have a restricted domain (2)?






Can you answer 50 questions in 15 minutes?



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