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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. x^4 + x^7 =






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






4. How many multiples does a given number have?






5. What is the formula for compounded interest?






6. 0^0






7. x^2 = 9. What is the value of x?






8. Surface area for a cylinder?






9. Factor x^2 - xy + x.






10. Simplify the expression (p^2 - q^2)/ -5(q - p)






11. 8.84 / 5.2






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






13. How to find the area of a sector?






14. Whats the difference between factors and multiples?






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






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






17. 413.03 x 10^(-4) =






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






19. Which is greater? 64^5 or 16^8






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






21. Reduce: 4.8 : 0.8 : 1.6






22. What is the formula for computing simple interest?






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






24. Evaluate and write as a mixed number: 2/7 - 3/21 + 2 & 4/14






25. What is a chord of a circle?






26. Is 0 even or odd?






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






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






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






30. 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.






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






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






33. What is a parabola?






34. 4.809 X 10^7 =






35. What are the real numbers?






36. Can the output value of a function have more than one input value?






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






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






39. 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?






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






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






42. What are 'Supplementary angles?'






43. A number is divisible by 4 is...






44. 1:sqrt3:2 is the ratio of the sides of what kind of triangle?






45. Evaluate (4^3)^2






46. Can you subtract 3sqrt4 from sqrt4?






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






48. 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?






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






50. Factor a^2 + 2ab + b^2