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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. 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)






2. The whole equals






3. 1-v3- 2 (90-30-60)






4. 360°






5. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.






6. z>y






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






8. All three sides and all three angles are equal






9. 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*)






10. N is what % of m






11. 90°






12. 1/x + 1/y x -y ? 0






13. Volume=lwh surface area= 2wh + 2hl + 2lw






14. Wx>wy






15. 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






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






17. x less than y






18. 9-40-41






19. Sin 60°






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






21. The increase from x to y






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






23. xw> yz






24. Any integer is divisible by 8 if






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






26. 1/2d






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






28. 1-1-v2 (90-45-45)






29. | |






30. x - (n/100)x






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






32. Is the relation with ALL ordered pairs REVERSED.






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






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






35. 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}






36. C times as old as john

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






38. ?






39. Sin 45°






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






41. A<x and x<b






42. x>z






43. A¹






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






45. 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






46. Area= l x w perimeter = (2l)(2w)






47. The quotient of any quantity (except 0) divided by zero is infinity






48. 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.






49. Side a +side b of a ? is






50. Volume= e(edge)³ surface area= 6e²