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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. Every set is a subset of






2. y years ago






3. ?






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






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






6. All even numbers end in the digits of






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






8. 8-15-17






9. | |






10. B>c+ d>e






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






12. 3-4-5






13. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)






14. Is always a right angle.






15. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication






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






17. x²






18. R²






19. (x+y) (x-y)






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






21. Any integer is divisible by 6 if






22. 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)






23. 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}






24. 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






25. 1-1-v2 (90-45-45)






26. Wx<wy






27. y years from now






28. ?if y angle< x angle - then






29. 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






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






31. 5-12-13






32. ?






33. The whole equals






34. Any integer is divisible by 4 - if






35. A¹






36. 1/an






37. Set of solutions to an equation






38. Any arc length is less than






39. x more than y






40. xn<0 if n is odd and xn>0 if n is even






41. 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.






42. xw> yz






43. 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






44. Between 180° and 360°






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






46. Integer is divisible by 2






47. A/A¹ = B/B¹= C/C¹






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






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






50. ?