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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. z>y






2. In transversals






3. N= combinations taken (order does not matter) r= rate at a time nCr or C(n -r) = (n)!/(r)! (remember to cancel out common numbers)






4. ?






5. Wx<wy






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






7. V2






8. Any integer is divisible by 3 - if






9. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)






10. x/100






11. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)






12. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication






13. Set of solutions to an equation






14. ?






15. Angles that equal 180 degrees






16. 5-12-13






17. All odd numbers end in the digits of






18. R²






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






20. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)






21. ?






22. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)






23. Two tangents to a circle from the same point outside of the circle are always






24. 180°






25. 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






26. Area= 1/2bh perimeter= a+b+c






27. 1/x + 1/y x -y ? 0






28. C²= a²+b² and angle x and y are equal to 90°






29. Any integer is divisible by 9 - if






30. Any integer is divisible by 6 if






31. x > y or y< x






32. (x-y)(x-y) = (x-y)²






33. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)






34. Wx>wy






35. Is the set of the first components of the ordered pairs.






36. 1/y-1/x x -y ? 0






37. Sum of two odd numbers is






38. Is the set of the second components of the ordered pairs






39. Angles directly across each other are equal






40. 3-4-5






41. If b²-4ac < 0 - there are






42. ?






43. Product of two odd numbers is






44. x younger than y






45. Product of an even number and any other number is






46. The percent increase from x to y (y>x)






47. If two lines are perpendicular - the slope of one is the






48. All even numbers end in the digits of






49. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}






50. 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)