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






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






3. Wx>wy






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






5. x > y or y< x






6. Angle whose sides are two chords. The vertex of the angles lies on the circumference of the circle. The number of degrees of the angle is equal to 1/2 the intercepted arc






7. 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)






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






9. ?






10. 1-1-1 (60-60-60)






11. ?






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






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






14. A chord through the center of the circle






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






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






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






18. 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






19. The angles opposite to sides that are equal in length have






20. R²






21. x less than y






22. Between 90° and 180°






23. Is the relation with ALL ordered pairs REVERSED.






24. Integer is divisible by 2






25. C times as old as john


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






27. Sum of an odd and an even number is






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






29. 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






30. 1/y-1/x x -y ? 0






31. If b²-4ac < 0 - there are






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






33. The product of x and y






34. 2k






35. Sin 30°






36. 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.






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






38. x - (n/100)x






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






40. A/A¹ = B/B¹= C/C¹






41. V3






42. 1-v3- 2 (90-30-60)






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






44. Sin 60°






45. Side a +side b of a ? is






46. 9-40-41






47. 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)






48. ?






49. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²






50. Ax= by + C