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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. Define a 'monomial'






2. What are complementary angles?






3. What is a parabola?






4. What is a set with no members called?






5. Employee X is paid 19.50 per hour no matter how many a week. Employee Y earns 18 for the first 40 and 1.5 the hourly wage for every hour after that. If both earned the same amount and worked the same in one week - how many did each work?






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






7. What is a central angle?






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






9. A number is divisible by 4 is...






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






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






12. Factor x^2 - xy + x.






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






14. 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?






15. x^4 + x^7 =






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






17. Define an 'expression'.






18. 200 <_ x <_ 300. How many values of x are divisible by 5 & 8?






19. Suppose that the graph of f(x) is the result of sliding the graph of y=2x^2 down 3 units of spaces. What is the new equation?






20. Length of an arc of a circle?






21. How to determine percent increase?






22. Order of quadrants:






23. 5/8 in percent?






24. What are 'Supplementary angles?'






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






26. 50 < all primes< 60






27. x^(-y)=






28. Legs: 3 - 4. Hypotenuse?






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






30. 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)?






31. Is 0 even or odd?






32. 7/8 in percent?






33. 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?






34. What is the percent formula?






35. 6w^2 - w - 15 = 0






36. A company places a 6-symbol code on each product. The code consists of the letter T - followed by 3 numerical digits - and then 2 consonants (Y is a conson). How many codes are possible?






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






38. Which quadrant is the upper right hand?






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






40. Can the input value of a function have more than one output value (i.e. x: y - y1)?






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






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






43. How to find the area of a sector?






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






45. 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






46. 1/2 divided by 3/7 is the same as






47. What is the intersection of A and B?






48. Pi is a ratio of what to what?

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49. What is a chord of a circle?






50. What is the ratio of the sides of a 30-60-90 triangle?