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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. x(y+z)






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






3. Angles directly across each other are equal






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






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






6. | |






7. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places






8. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.






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






10. 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.






11. The difference between x and y






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






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






14. 2k






15. Sum of an odd and an even number is






16. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3






17. Every set is a subset of






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






19. Sin 30°






20. y years ago






21. Any integer is divisible by 5 if






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






23. x²






24. x +z > y+z






25. 1/an






26. The product of x and y






27. 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.






28. N is what % of m






29. x > y or y< x






30. 3-4-5






31. Sin 45°






32. Any integer is divisible by 4 - if






33. x - (n/100)x






34. Wx>wy






35. C times as old as john

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36. x(y-z)






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






38. Set of solutions to an equation






39. The distance from the center of the circle






40. ?






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






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






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






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






45. 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






46. If b²-4ac > 0 there are






47. ?






48. Any integer is divisible by 8 if






49. If b²-4ac < 0 - there are






50. 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)