Test your basic knowledge |

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. 9-40-41






2. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)






3. A+b=c+ d=d






4. 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}






5. 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






6. ?






7. 2k + 1






8. The difference between x and y






9. 1/an






10. 7-24-25






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






12. y years from now






13. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)






14. x younger than y






15. 5-12-13






16. x +z > y+z






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






18. 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.






19. 1-1-v2 (90-45-45)






20. x more than y






21. Set of solutions to an equation






22. y years ago






23. xw> yz






24. The product of x and y






25. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a






26. (x-y)(x-y) = (x-y)²






27. 180°






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






29. Any integer is divisible by 3 - if






30. A/A¹ = B/B¹= C/C¹






31. 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)






32. 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






33. If an equation can be put into the form y= mx +b - then






34. M= y2-y1/x2-x1






35. 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.






36. Every set is a subset of






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






38. ?






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






40. 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.






41. Is always a right angle.






42. 180°






43. Less than 90°






44. 3(4+1)= 3 x 4 + 3 x 1






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






46. Side a +side b of a ? is






47. 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)






48. 2k






49. Any integer is divisible by 4 - if






50. Any arc length is less than