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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. 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






2. 360°






3. 5+3= 3+5 and 5 x 3= 3 x 5






4. Sum of an odd and an even number is






5. The difference between x and y






6. Is the relation with ALL ordered pairs REVERSED.






7. 2k






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






9. Sin 30°






10. z>y






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






12. Is a subset of every set






13. 3(4+1)= 3 x 4 + 3 x 1






14. 1-1-v2 (90-45-45)






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






16. Any integer is divisible by 10 - if






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






18. Sin 60°






19. Less than 90°






20. 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.






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






22. When two parallel lines are crossed by a third straight line (transversal) - then






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






24. 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






25. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -






26. V3






27. When the elements of a set are ordered pairs






28. A chord through the center of the circle






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






30. What % of m is n






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






32. The distance from the center of the circle






33. The measure of an interior angle is






34. ?






35. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f






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






37. 7-24-25






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






39. In transversals






40. y years from now






41. B²-4ac = 0 there is






42. | |






43. 5-12-13






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






45. /100 (the ______ number over 100)






46. ? if a side < b side - then






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






48. B>c+ d>e






49. x younger than y






50. 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.