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

2. x^4 + x^7 =

3. What is the 'domain' of a function?

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

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

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

7. 40 < all primes<50

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

9. Area of a triangle?

10. (6sqrt3) x (2sqrt5) =

11. 50 < all primes< 60

12. How to find the diagonal of a rectangular solid?

13. A triangle is inscribed in a semi circle with legs 5 and 12. What is the circumfermence of the semicircle?

14. Simplify 4sqrt21 X 5sqrt2 / 10sqrt7

15. Order of quadrants:

16. Write 10 -843 X 10^7 in scientific notation

17. a^2 + 2ab + b^2

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

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

20. The slope of a line perpendicular to (a/b)?

21. (a^-1)/a^5

22. 200 <_ x <_ 300. How many values of x are divisible by 5 & 8?

23. 5/8 in percent?

24. What are the members or elements of a set?

25. What is the formula for computing simple interest?

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

27. What is the absolute value function?

28. What is a set with no members called?

29. Formula of rectangle where l increases by 20% and w decreases by 20%

30. What is the common monomial factor in the expression 4(c^3)d - (c^2)(d^2) + 2cd?

31. Convert 0.7% to a fraction.

32. 60 < all primes <70

33. Surface area for a cylinder?

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

35. a^0 =

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

37. 1:sqrt3:2 is the ratio of the sides of what kind of triangle?

38. Formula to find a circle'S circumference from its diameter?

39. To multiply a number by 10^x

40. Hector invested $6000. Part was invested in account with 9% simple annual interest - and the rest in account with 7% simple annual interest. If he earned $490 in the first year of these investments - how much did he invest in each account?

41. Evaluate 4/11 + 11/12

42. x^(-y)=

43. What is the formula for compounded interest?

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

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

46. What are 'Supplementary angles?'

47. What percent of 40 is 22?

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

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

50. Legs 5 - 12. Hypotenuse?