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






2. 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






3. Set of solutions to an equation






4. Is a subset of every set






5. z>y






6. x +z > y+z






7. | |






8. ?






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






10. If b²-4ac > 0 there are






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






12. ?






13. A chord through the center of the circle






14. 1/y-1/x x -y ? 0






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






16. Any integer is divisible by 8 if






17. Sin 30°






18. The distance from the center of the circle






19. 180°






20. (x-y)(x-y) = (x-y)²






21. x younger than y






22. A<x and x<b






23. Sin 60°






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






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






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






27. 180°






28. 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.






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






30. Between 90° and 180°






31. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB






32. 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)






33. Parallel and never intersect - they have no solution at all - they are parallel with the same slope






34. 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






35. 90°






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






37. Is the relation with ALL ordered pairs REVERSED.






38. ?






39. x > y or y< x






40. Is always a right angle.






41. x/100






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






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






44. Angles that equal 180 degrees






45. Area= l x w perimeter = (2l)(2w)






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






47. R²






48. Between 180° and 360°






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






50. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result