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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. A<x and x<b






2. 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.






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






4. Is - as - was - has - cost






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






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. x/100






8. Wx<wy






9. 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






10. Diagonal= sv2






11. ?






12. 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*)






13. 1/x + 1/y x -y ? 0






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






15. Any integer is divisible by 10 - if






16. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.






17. 1/2d






18. 1-v3- 2 (90-30-60)






19. x less than y






20. 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}






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






22. Between 180° and 360°






23. Integer is divisible by 2






24. If the base angles of a triangle are equal - the triangle is






25. 5-12-13






26. 2k + 1






27. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower






28. Of






29. M= y2-y1/x2-x1






30. Angles that equal 180 degrees






31. V10






32. Product of two odd numbers is






33. Sum of two even numbers is






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






35. Less than 90°






36. Volume= 4/3?r² surface area= 4?r²






37. x > y or y< x






38. ? if a side < b side - then






39. Any integer is divisible by 3 - if






40. 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)






41. 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






42. The distance from the center of the circle






43. The product of an even number of negative numbers is






44. V2






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






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






47. Sin 45°






48. 1-1-1 (60-60-60)






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






50. Every set is a subset of