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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 'domain' of a function?






2. Formula for the area of a circle?






3. Can you simplify sqrt72?






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






5. Surface area for a cylinder?






6. To convert a decimal to a percent...






7. Which quadrant is the upper right hand?






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






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






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






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






12. Simplify (a^2 + b)^2 - (a^2 - b)^2






13. What is a chord of a circle?






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






15. In a triangle inscribed inside a circle - where the diameter is one side of the triangle - which angle is largest?






16. 1/6 in percent?






17. What is the intersection of A and B?






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






19. What percent of 40 is 22?






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






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. (a^-1)/a^5






23. What is a finite set?






24. What is the slope of a vertical line?

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






26. What is the absolute value function?






27. Max and Min lengths for a side of a triangle?






28. Define an 'expression'.






29. Define a 'Term' -






30. Formula to calculate arc length?






31. 70 < all primes< 80






32. 5x^2 - 35x -55 = 0






33. 413.03 x 10^(-4) =






34. Factor x^2 - xy + x.






35. What is an isoceles triangle?






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






37. sqrt 2(sqrt 6)=






38. Reduce: 4.8 : 0.8 : 1.6






39. What is the order of operations?






40. Legs 6 - 8. Hypotenuse?






41. 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)?






42. Simplify 4sqrt21 X 5sqrt2 / 10sqrt7






43. What transformation occurs if point C is reflected over the x-axis and then the y-axis?






44. 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?






45. What is a tangent?






46. What is the name for a grouping of the members within a set based on a shared characteristic?






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






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






49. What is a subset?






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







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