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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. ? if a side is equal to b side then - the opposite corresponding angles are






2. 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)






3. x + y






4. Area = ?r² circumference(perimeter)= 2?r






5. (amount of decrease/original amount) x 100






6. If b²-4ac < 0 - there are






7. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other






8. Area= s² perimeter= 4s






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






10. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases






11. 1. round each number being added to one more place than it is being asked. 2. add the rounded numbers. 3. round off the sum to the desired number of places






12. A chord through the center of the circle






13. In transversals






14. z>y






15. 7-24-25






16. Product of two odd numbers is






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






18. 5-12-13






19. Sum of two odd numbers is






20. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






21. Between 90° and 180°






22. Integer is divisible by 2






23. ?






24. 3(4+1)= 3 x 4 + 3 x 1






25. x < y or y> x






26. 8-15-17






27. 9-40-41






28. C times as old as john

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29. When the elements of a set are ordered pairs






30. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3






31. The distance from the center of the circle






32. The sum of the interior angles is






33. x²






34. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.






35. 1/2d






36. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B






37. What % of m is n






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






39. Parallel and never intersect - they have no solution at all - they are parallel with the same slope






40. x(y-z)






41. ?






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






43. The whole equals






44. Any integer is divisible by 8 if






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






46. 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)






47. V3






48. Any integer is divisible by 9 - if






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






50. ?