Test your basic knowledge |

GRE Math Strategies

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. Between 180° and 360°






2. Volume= e(edge)³ surface area= 6e²






3. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -






4. A°






5. 3-4-5






6. The angles opposite to sides that are equal in length have






7. A<x and x<b






8. M=number of favorable ways n= total number of ways (two events occurring is the prob of the first times the prob of the second)






9. Angles that equal 180 degrees






10. /100 (the ______ number over 100)






11. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






12. The quotient of any quantity (except 0) divided by zero is infinity






13. A line that is perpendicular to a radius and that passes through only one point of the circle.






14. In transversals






15. The difference between x and y






16. R²






17. Volume= 4/3?r² surface area= 4?r²






18. Intersect at only one point - the point is the only solution to the pair of equations






19. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.






20. The point where the line crosses the x-axis - y will always = 0 in this case






21. (x-y)(x-y) = (x-y)²






22. y years from now






23. One angle is equal 90° and the other two angles are equal to the sum of 90°






24. Any line that connects two points on a circle.






25. 1/y-1/x x -y ? 0






26. x(y+z)






27. x < y or y> x






28. 180°






29. If y²= x - then y =






30. x + (n/100)x






31. Any number squared or raised to an even power is






32. Volume=lwh surface area= 2wh + 2hl + 2lw






33. If b²-4ac < 0 - there are






34. ?






35. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a






36. All odd numbers end in the digits of






37. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f






38. x>0 and y>0 or x<0 and y<0






39. The point where the line crosses the y-axis - x will always = 0 in this case






40. The sum of the interior angles is






41. In a triangle - if ?c(interior angle in triangle) and ?d(exterior angle out of triangle) are supplmentary angles - than ?a and ?b are remote interior angles to <d - thus - a +b+c = 180 (triangle) c+d = 180 (supplementary angles)






42. Between 90° and 180°






43. 5+3= 3+5 and 5 x 3= 3 x 5






44. 360°






45. Sum of two odd numbers is






46. x more than y






47. In a triangle - the greatest angles lies






48. x younger than y






49. x(y-z)






50. (amount of increase/original amount) x 100