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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. ?






2. x + (n/100)x






3. Any integer is divisible by 10 - if






4. 360°






5. Sum of two even numbers is






6. Is the relation with ALL ordered pairs REVERSED.






7. Of






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






9. 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.






10. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a






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






12. 1-v3- 2 (90-30-60)






13. 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






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






15. x(y-z)






16. The sum of any two sides of a triangle is greater than






17. 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






18. 2k + 1






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. y years ago






21. 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






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






23. x>z






24. xw> yz






25. In a triangle - if ?c(interior angle in triangle) and ?d(exterior angle out of triangle) are supplmentary angles - than ?a and ?b are remote interior angles to <d - thus - a +b+c = 180 (triangle) c+d = 180 (supplementary angles)






26. /100 (the ______ number over 100)






27. ?






28. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints






29. A¹






30. 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.






31. Sum of two odd numbers is






32. 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.






33. Volume= 4/3?r² surface area= 4?r²






34. 5+3= 3+5 and 5 x 3= 3 x 5






35. Wx>wy






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






37. A<x and x<b






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






39. ?






40. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






41. A chord through the center of the circle






42. Any integer is divisible by 9 - if






43. When the elements of a set are ordered pairs






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






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






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






47. Which - what






48. Angles directly across each other are equal






49. Angles that equal 180 degrees






50. 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.