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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. 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)






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






5. What % of m is n






6. V3






7. Diagonal= sv2






8. The whole equals






9. Diagonals are perpendicular to each other and bisect the vertex angles 1.each pair of opposite sides are equal 2. the diagonals bisect eachother 3. the opposite angles are equal 4. one diagonal divides it into two congruent triangles and two diagonal






10. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.






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






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






13. M= y2-y1/x2-x1






14. C times as old as john

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15. x/100






16. B>c+ d>e






17. 1-1-1 (60-60-60)






18. Any integer is divisible by 3 - if






19. The sum of any two sides of a triangle is greater than






20. Sin 60°






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






22. xw> yz






23. (sum of individual quantities or measures/ total number of quantities or measures)






24. 1/an






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






26. Angles that equal 180 degrees






27. In transversals






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






29. Is - as - was - has - cost






30. If an equation can be put into the form y= mx +b - then






31. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²






32. xn<0 if n is odd and xn>0 if n is even






33. 180°






34. Wx<wy






35. x younger than y






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






37. 2k + 1






38. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB






39. The distance between two parallel lines or from a point to a line always means






40. 2k






41. Wx>wy






42. All odd numbers end in the digits of






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






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






45. 180°






46. Area= s² perimeter= 4s






47. x>z






48. If two lines are parallel - the slope of one is






49. ?






50. Angles directly across each other are equal