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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. Between 90° and 180°






2. The measure of an interior angle is






3. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.






4. 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)






5. ? if a side is equal to b side then - the opposite corresponding angles are






6. If ?B > ?A - then






7. 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.






8. 1/y-1/x x -y ? 0






9. x less than y






10. 1/2bh






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






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






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






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






15. 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.






16. 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)






17. A chord through the center of the circle






18. x more than y






19. x>z






20. Any integer is divisible by 6 if






21. 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.






22. Ax= by + C






23. 8-15-17






24. Wx>wy






25. Then their intersection is the null or empty set - written as Ø






26. Area= s² perimeter= 4s






27. 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






28. x > y or y< x






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






30. The increase from x to y






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






32. x + (n/100)x






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






34. 180°






35. The difference between x and y






36. A¹






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






38. Any arc length is less than






39. Sum of two even numbers is






40. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases






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






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






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






44. Which - what






45. x/100






46. In transversals






47. Volume=lwh surface area= 2wh + 2hl + 2lw






48. x +z > y+z






49. 1/x + 1/y x -y ? 0






50. In a triangle - the greatest angles lies