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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. 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 two pairs of congruent triangles






2. If ?B > ?A - then






3. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both






4. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)






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






6. Any integer is divisible by 5 if






7. The difference between x and y






8. Any integer is divisible by 10 - if






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






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






11. 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






12. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result






13. Wx>wy






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






15. The increase from x to y






16. When two parallel lines are crossed by a third straight line (transversal) - then






17. 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)






18. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d






19. All odd numbers end in the digits of






20. Of






21. Any number squared or raised to an even power is






22. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a






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. Sin 45°






25. Area= s² perimeter= 4s






26. Is a subset of every set






27. 1-1-v2 (90-45-45)






28. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB






29. 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)






30. x(y-z)






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






32. V3






33. Have two equal sides and two equal angles formed by the equal sides and the unequal side.






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






35. 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.






36. Volume= 4/3?r² surface area= 4?r²






37. Ax= by + C






38. Area= 1/2bh perimeter= a+b+c






39. ?






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






41. 3-4-5






42. x - (n/100)x






43. 360°






44. Side a +side b of a ? is






45. Any integer is divisible by 8 if






46. | |






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






48. x more than y






49. y<x






50. In a triangle - the greatest angles lies







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