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. If the 80th percentile of the measurements is 72degrees - about how many measurments are between 69 degrees and 72 degrees? Round your answer to the nearest tenth






2. What is the formula for compounded interest?






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






4. 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?






5. Area of a triangle?






6. What is the order of operations?






7. Which quadrant is the upper right hand?






8. Define an 'expression'.






9. Can you add sqrt 3 and sqrt 5?






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






11. What is a minor arc?

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


12. What is the slope of a vertical line?

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


13. Which quadrant is the upper left hand?






14. What is a major arc?

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


15. There are 10 finalists for the school spelling bee. A first - second - and third place trophy will be awarded. How many different people can get the three prizes?






16. What is an arc of a circle?






17. What is a set with no members called?






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






19. 1/2 divided by 3/7 is the same as






20. Find the surface area of a cylinder with radius 3 and height 12.






21. 40 < all primes<50






22. 50 < all primes< 60






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






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






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






26. 5/8 in percent?






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






28. What is the sum of the angles of a triangle?






29. To convert a decimal to a percent...






30. (-1)^2 =






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






32. Pi is a ratio of what to what?

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


33. Surface area for a cylinder?






34. If you have a set of n objects - but you only want to order k of them - what formula do you use to determine the number of permutations?






35. Formula to calculate arc length?






36. Order of quadrants:






37. What is the intersection of A and B?






38. A number is divisible by 9 if...






39. What is a tangent?






40. Suppose you have a set of n objects - and you want to select k of them - but the order doesn'T matter. What formula do you use to determine the number of combinations of n objects taken k at a time?






41. 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?






42. 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)?






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






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






45. What are the irrational numbers?

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


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






47. 60 < all primes <70






48. x^4 + x^7 =






49. What are complementary angles?






50. If a=-1 and b=3 - what is the value of (4(a^3)(b^2) - 12(a^2)(b^5)) / (16(a^3)(b^2))?