Test your basic knowledge |

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. 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)?






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






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






4. sqrt 2(sqrt 6)=






5. 3/8 in percent?






6. a^2 - b^2






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






8. If 4500 is invested at a simple interest rate of 6% - what is the value of the investment after 10 months?






9. What is an arc of a circle?






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






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






12. Legs 6 - 8. Hypotenuse?






13. How many sides does a hexagon have?






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






15. If r - t - s & u are distinct - consecutive prime numbers - less than 31 - which of the following could be an average of them (4 - 4.25 - 6 - 9 - 24 - 22 - 24)






16. Legs: 3 - 4. Hypotenuse?






17. x^4 + x^7 =






18. Legs 5 - 12. Hypotenuse?






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






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






21. How many 3-digit positive integers are even and do not contain the digit 4?






22. Which quadrant is the lower left hand?






23. How many digits are there between the decimal point and the first even digit in the decimal equivalent of 1/[(2^8)(5^3)]






24. What are 'Supplementary angles?'






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






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






27. For similar triangles - the ratio of their corresponding sides is 2:3. What is the ratio of their areas?






28. 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?






29. Factor x^2 - xy + x.






30. A brick with dimensions 10. 15 and 25 weighs 1.5 kg. A second brick (same density) has dimensions 12 - 18 - and 30. What is the weight of the second brick?






31. To multiply a number by 10^x






32. What is the empty set?






33. What is the intersection of A and B?






34. Length of an arc of a circle?






35. 5/6 in percent?






36. Whats the difference between factors and multiples?






37. What are the irrational numbers?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


38. What is a minor arc?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


39. 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?






40. a^0 =






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






42. (-1)^3 =






43. 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?






44. In a regular polygon with n sides - the formula for the sum of interior angles






45. 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?






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






47. What are the integers?






48. If an inequality is multiplied or divided by a negative number....






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






50. 7/8 in percent?