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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. 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.






2. 7-24-25






3. All even numbers end in the digits of






4. ?






5. 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






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






7. Product of two odd numbers is






8. 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






9. A+b=c+ d=d






10. 180°






11. y years from now






12. The measure of an interior angle is






13. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f






14. 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






15. If b²-4ac < 0 - there are






16. 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






17. Is the relation with ALL ordered pairs REVERSED.






18. V2






19. Volume= e(edge)³ surface area= 6e²






20. x + y






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






22. 1/2bh






23. 1/an






24. B²-4ac = 0 there is






25. If the base angles of a triangle are equal - the triangle is






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






27. When the elements of a set are ordered pairs






28. The whole equals






29. 5-12-13






30. Wx<wy






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






32. Integer is divisible by 2






33. x(y-z)






34. Area= l x w perimeter = (2l)(2w)






35. Any integer is divisible by 8 if






36. 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.






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






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






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






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






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






42. y<x






43. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²






44. Angles that equal 180 degrees






45. 1/2d






46. Volume= 4/3?r² surface area= 4?r²






47. x less than y






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






49. Any integer is divisible by 4 - if






50. 3-4-5