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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. ? if a side < b side - then






2. x²






3. Which - what






4. ?






5. In transversals






6. 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






7. 1/2bh






8. (x-y)(x-y) = (x-y)²






9. The whole equals






10. 1/2d






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






12. 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)






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






14. Set of solutions to an equation






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






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






17. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.






18. 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






19. Wx<wy






20. 1-1-v2 (90-45-45)






21. M= y2-y1/x2-x1






22. All three sides and all three angles are equal






23. Volume= 4/3?r² surface area= 4?r²






24. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints






25. x(y-z)






26. Sum of an odd and an even number is






27. Is always a right angle.






28. Any integer is divisible by 9 - if






29. 1-v3- 2 (90-30-60)






30. 90°






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






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






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






34. Between 90° and 180°






35. /100 (the ______ number over 100)






36. x > y or y< x






37. 5-12-13






38. Sum of two even numbers is






39. Area = ?r² circumference(perimeter)= 2?r






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






41. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.






42. 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.






43. What % of m is n






44. A/A¹ = B/B¹= C/C¹






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






46. ?






47. 2k






48. Integer is divisible by 2






49. 180°






50. Any integer is divisible by 3 - if