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GRE Math: Common Errors

Subjects : gre, math
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Is 0 even or odd?

2. What is the name of set with a number of elements which cannot be counted?

3. 5/6 in percent?

4. How many sides does a hexagon have?

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

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

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

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

9. Convert 0.7% to a fraction.

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

11. Evaluate (4^3)^2

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

13. 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?

14. a^2 - b^2 =

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

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

17. 1/6 in percent?

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

19. 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?

20. A number is divisible by 6 if...

21. 60 < all primes <70

22. Define a 'monomial'

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

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

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

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

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

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

29. What are the integers?

30. What are congruent triangles?

31. What are complementary angles?

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

33. 1/8 in percent?

34. Define an 'expression'.

35. 200 <_ x <_ 300. How many values of x are divisible by 5 & 8?

36. Number of degrees in a triangle

37. Area of a triangle?

38. What is a piecewise equation?

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

40. 413.03 x 10^(-4) =

41. Legs 5 - 12. Hypotenuse?

42. Factor x^2 - xy + x.

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

44. What is an isoceles triangle?

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

46. Formula for the area of a circle?

47. What is a set with no members called?

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

49. In a triangle where the two legs are 4 and 3 - what is the value of a line directly intersecting the middle coming from the meeting point of the two legs?

50. What is the formula for computing simple interest?