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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. x(y+z)






2. 2k






3. 1-v3- 2 (90-30-60)






4. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)






5. 3-4-5






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






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






8. 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.






9. Volume= e(edge)³ surface area= 6e²






10. The sume of x and y






11. x+w> y+z






12. V2/2- v2/2 - 1 (90-45-45)






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






14. 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)






15. 180°






16. Any integer is divisible by 5 if






17. Wx>wy






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






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






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






21. 1-1-v2 (90-45-45)






22. 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.






23. x < y or y> x






24. 2k + 1






25. 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






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






27. Of






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






30. A/A¹ = B/B¹= C/C¹






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






32. When the elements of a set are ordered pairs






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






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






35. Diagonal= sv2






36. ?if y angle< x angle - then






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






38. 1/y-1/x x -y ? 0






39. Every set is a subset of






40. 8-15-17






41. The difference between x and y






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






43. ?






44. 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.






45. Sin 30°






46. (sum of individual quantities or measures/ total number of quantities or measures)






47. Ax= by + C






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






49. Wx<wy






50. 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