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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. 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)






2. Side a +side b of a ? is






3. 3-4-5






4. 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.






5. V3






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






7. A chord through the center of the circle






8. Any integer is divisible by 6 if






9. 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






10. In a triangle - the greatest angles lies






11. A subset of a set is






12. x/100






13. A<x and x<b






14. y years ago






15. (x+y) (x-y)






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






17. All angles are right angles and diagonals are equal 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 diagonals divides it into






18. A+b=c+ d=d






19. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.






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






21. x+w> y+z






22. ?






23. 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






24. x/100






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






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






27. If b²-4ac < 0 - there are






28. Between 180° and 360°






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






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






31. 5-12-13






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






33. In transversals






34. The measure of an interior angle is






35. The sum of the interior angles is






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






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






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






39. 1/2d






40. M= y2-y1/x2-x1






41. Wx>wy






42. 9-40-41






43. x less than y






44. Any arc length is less than






45. ? if a side < b side - then






46. Is the set of the first components of the ordered pairs.






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






48. V10






49. Product of an even number and any other number is






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