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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. ?






2. Any integer is divisible by 9 - if






3. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)






4. (x+y)(x+y)= (x+y)²






5. The difference between x and y






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






7. Sin 60°






8. Is a subset of every set






9. x+w> y+z






10. y<x






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






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






13. ?






14. 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






15. 3(4+1)= 3 x 4 + 3 x 1






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






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






18. V10






19. 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.






20. Product of two odd numbers is






21. Between 90° and 180°






22. 180°






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






24. B²-4ac = 0 there is






25. 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






26. 9-40-41






27. Sum of two even numbers is






28. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B






29. Less than 90°






30. Any integer is divisible by 5 if






31. (x+y) (x-y)






32. x²






33. x less than y






34. 2k






35. 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






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






37. If ?B > ?A - then






38. Is always a right angle.






39. Volume= 4/3?r² surface area= 4?r²






40. Set of solutions to an equation






41. ?






42. B>c+ d>e






43. Any integer is divisible by 6 if






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






45. 360°






46. Any arc length is less than






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






48. V2






49. 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)






50. xw> yz