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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. 1/2bh






2. Is the relation with ALL ordered pairs REVERSED.






3. Area= s² perimeter= 4s






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






5. 360°






6. 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)






7. 9-40-41






8. Between 180° and 360°






9. The whole equals






10. 8-15-17






11. The decrease from x to y






12. Then their intersection is the null or empty set - written as Ø






13. V10






14. 2k + 1






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






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






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






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






19. 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






20. x>z






21. 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}






22. 2k






23. x+w> y+z






24. B²-4ac = 0 there is






25. (x+y) (x-y)






26. If b²-4ac < 0 - there are






27. 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 -






28. 5+3= 3+5 and 5 x 3= 3 x 5






29. 1/y-1/x x -y ? 0






30. Angles directly across each other are equal






31. The product of an odd number of negative numbers is






32. Area= bh perimeter= 2a +2b






33. All angles are right angles and diagonals are equal 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 diagonals divides it into






34. x + (n/100)x






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






36. Is - as - was - has - cost






37. Diagonal= sv2






38. ?






39. Side a +side b of a ? is






40. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)






41. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both






42. The increase from x to y






43. 1-v3- 2 (90-30-60)






44. Every set is a subset of






45. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d






46. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.






47. V2/2- v2/2 - 1 (90-45-45)






48. The measure of an interior angle is






49. z>y






50. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints







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