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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 the 'Solution' for a set of inequalities.






2. What are 'Supplementary angles?'






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






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






5. 30< all primes<40






6. Simplify 9^(1/2) X 4^3 X 2^(-6)?






7. What are complementary angles?






8. 413.03 x 10^(-4) =






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






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






11. What is the 'union' of A and B?






12. The ratio of the areas of two similar polygons is ...






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






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






15. How to find the area of a sector?






16. To convert a percent to a fraction....






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






18. sqrt 2(sqrt 6)=






19. 8.84 / 5.2






20. The objects in a set are called two names:






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






22. (x^2)^4






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






24. What is a tangent?






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






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






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






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






29. What is a piecewise equation?






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






31. What is the formula for computing simple interest?






32. Can you add sqrt 3 and sqrt 5?






33. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?






34. 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?






35. To convert a decimal to a percent...






36. What is the empty set?






37. Pi is a ratio of what to what?

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38. 2sqrt4 + sqrt4 =






39. 0^0






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






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






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






43. A number is divisible by 9 if...






44. Can you subtract 3sqrt4 from sqrt4?






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






46. 5x^2 - 35x -55 = 0






47. 5/6 in percent?






48. 7/8 in percent?






49. What are congruent triangles?






50. What is the intersection of A and B?