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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. Of






2. 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






3. 90°






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






5. Any line that connects two points on a circle.






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. A/A¹ = B/B¹= C/C¹






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






9. A¹






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






11. ?






12. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²






13. 1-1-1 (60-60-60)






14. The sume of x and y






15. Sin 45°






16. Less than 90°






17. 2k






18. ?






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






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






21. Any integer is divisible by 9 - if






22. x > y or y< x






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






24. V2






25. 9-40-41






26. A subset of a set is






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






28. 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}






29. 1-1-v2 (90-45-45)






30. ?if y angle< x angle - then






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






32. If y²= x - then y =






33. 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






34. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a






35. x>z






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






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






38. (x+y) (x-y)






39. Integer is divisible by 2






40. 1-v3- 2 (90-30-60)






41. The difference between x and y






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






43. In transversals






44. B²-4ac = 0 there is






45. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.






46. Diagonals are perpendicular to each other and bisect the vertex angles 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 diagonal






47. y years ago






48. A line that is perpendicular to a radius and that passes through only one point of the circle.






49. Two tangents to a circle from the same point outside of the circle are always






50. The decrease from x to y