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






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






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






4. ?






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






6. Any integer is divisible by 4 - if






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






8. What % of m is n






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






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






11. 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






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






13. (x+y) (x-y)






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






15. A+b=c+ d=d






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






17. In a triangle - the greatest angles lies






18. 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}






19. ?






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






21. x older than y






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






23. ?






24. Any integer is divisible by 5 if






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






26. When the elements of a set are ordered pairs






27. (x-y)(x-y) = (x-y)²






28. The angles opposite to sides that are equal in length have






29. Side a +side b of a ? is






30. 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.






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






32. x > y or y< x






33. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB






34. ?






35. x +z > y+z






36. Between 180° and 360°






37. 1/2d






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






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






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






41. x(y-z)






42. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result






43. Is - as - was - has - cost






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






45. V2






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






47. Sum of two odd numbers is






48. Integer is divisible by 2






49. 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






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