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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. x²






2. B²-4ac = 0 there is






3. The angles opposite to sides that are equal in length have






4. What % of m is n






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






6. A°






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






8. x +z > y+z






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






10. Any integer is divisible by 4 - if






11. 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






12. 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 two pairs of congruent triangles






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 sum of any two sides of a triangle is greater than






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






16. (sum of individual quantities or measures/ total number of quantities or measures)






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






18. The product of x and y






19. 1/2d






20. 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.






21. 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.






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






23. 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






24. x/100






25. The increase from x to y






26. x(y-z)






27. N= combinations taken (order does not matter) r= rate at a time nCr or C(n -r) = (n)!/(r)! (remember to cancel out common numbers)






28. ?






29. y years from now






30. (x+y) (x-y)






31. 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)






32. 360°






33. The distance between two parallel lines or from a point to a line always means






34. 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)






35. Every set is a subset of






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






37. (x-y)(x-y) = (x-y)²






38. 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






39. Any arc length is less than






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






41. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)






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






43. Integer is divisible by 2






44. 1/x + 1/y x -y ? 0






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






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






47. N is what % of m






48. Area = ?r² circumference(perimeter)= 2?r






49. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3






50. Any integer is divisible by 6 if







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