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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. 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 -






2. | |






3. The product of x and y






4. Any integer is divisible by 9 - if






5. 360°






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






7. Set of solutions to an equation






8. The product of an even number of negative numbers is






9. Wx<wy






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






11. Every set is a subset of






12. The sum of the interior angles is






13. 7-24-25






14. All even numbers end in the digits of






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






16. 1/2bh






17. Angles directly across each other are equal






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






19. 3(4+1)= 3 x 4 + 3 x 1






20. In transversals






21. ?






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






23. All odd numbers end in the digits of






24. 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.






25. 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






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






27. Is the relation with ALL ordered pairs REVERSED.






28. V3






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






30. ?






31. 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






32. In a triangle - the greatest angles lies






33. Any number squared or raised to an even power is






34. Any integer is divisible by 3 - if






35. Is a subset of every set






36. The increase from x to y






37. 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.






38. 1-v3- 2 (90-30-60)






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






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






41. If ?B > ?A - then






42. 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






43. A chord through the center of the circle






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






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






46. M= y2-y1/x2-x1






47. 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






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






49. (x-y)(x-y) = (x-y)²






50. Product of two odd numbers is