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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. Area= s² perimeter= 4s






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






3. A¹






4. 1-1-1 (60-60-60)






5. x +z > y+z






6. 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)






7. Is the relation with ALL ordered pairs REVERSED.






8. Between 180° and 360°






9. Wx>wy






10. ?






11. | |






12. Is the set of the second components of the ordered pairs






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






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






15. A<x and x<b






16. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -






17. 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}






18. What % of m is n






19. ?






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






21. Side a +side b of a ? is






22. Every set is a subset of






23. Ax= by + C






24. The product of x and y






25. Any integer is divisible by 3 - if






26. If b²-4ac > 0 there are






27. 3(4+1)= 3 x 4 + 3 x 1






28. Integer is divisible by 2






29. If y²= x - then y =






30. Product of an even number and any other number is






31. /100 (the ______ number over 100)






32. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.






33. 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.






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






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






36. 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






37. All three sides and all three angles are equal






38. ?if y angle< x angle - then






39. Any integer is divisible by 4 - if






40. A+b=c+ d=d






41. 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.






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






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






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






45. x > y or y< x






46. 2k + 1






47. The sum of the interior angles is






48. 1/2d






49. (x+y) (x-y)






50. (x-y)(x-y) = (x-y)²