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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. What is the slope of a vertical line?

2. What are 'Supplementary angles?'

3. Legs 5 - 12. Hypotenuse?

4. 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?

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

6. What is the slope of a horizontal line?

7. Pi is a ratio of what to what?

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

9. Evaluate 4/11 + 11/12

10. 25^(1/2) or sqrt. 25 =

11. What is a parabola?

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

13. 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?

14. (12sqrt15) / (2sqrt5) =

15. What is the 'Range' of a series of numbers?

16. Which quandrant is the lower right hand?

17. What is the set of elements found in both A and B?

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

19. 50 < all primes< 60

20. How to find the area of a sector?

21. 20<all primes<30

22. a^2 - b^2

23. (-1)^3 =

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

25. What is an isoceles triangle?

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

27. To multiply a number by 10^x

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

29. What is it called when a point is reflected to the quadrant opposite it (i.e. I to III or II to IV)?

30. What is the formula for compounded interest?

31. 1:sqrt3:2 is the ratio of the sides of what kind of triangle?

32. 10^6 has how many zeroes?

33. (6sqrt3) x (2sqrt5) =

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

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

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

37. 5/8 in percent?

38. Evaluate (4^3)^2

39. a^2 - 2ab + b^2

40. What is the intersection of A and B?

41. If 8 schools are in a conference - how many games are played if each team plays each other exactly once?

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

43. 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?

44. If the two sides of a triangle are unequal then the longer side...

45. 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?

46. 413.03 x 10^(-4) =

47. Legs: 3 - 4. Hypotenuse?

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

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

50. Whats the difference between factors and multiples?