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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. 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






2. Is - as - was - has - cost






3. V10






4. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.






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






6. Integer is divisible by 2






7. 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






8. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places






9. If the each element of the domain occurs only once as a FIRST component






10. 3-4-5






11. ?






12. Any integer is divisible by 9 - if






13. M=number of favorable ways n= total number of ways (two events occurring is the prob of the first times the prob of the second)






14. R²






15. Every set is a subset of






16. 1/an






17. Volume= e(edge)³ surface area= 6e²






18. A subset of a set is






19. Angles that equal 180 degrees






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






21. A chord through the center of the circle






22. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases






23. x + (n/100)x






24. The measure of an interior angle is






25. 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.






26. ?






27. x - (n/100)x






28. ?






29. 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






30. If y²= x - then y =






31. (amount of decrease/original amount) x 100






32. 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.






33. Any arc length is less than






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






35. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)






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






37. ?






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






39. When the elements of a set are ordered pairs






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






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






42. 360°






43. Side a +side b of a ? is






44. Is the relation with ALL ordered pairs REVERSED.






45. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d






46. ?






47. 180°






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






49. ? if a side < b side - then






50. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication