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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. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²






2. The whole equals






3. Two tangents to a circle from the same point outside of the circle are always






4. R²






5. 180°






6. Angles directly across each other are equal






7. Any integer is divisible by 6 if






8. 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.






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






10. 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)






11. Sum of two even numbers is






12. y<x






13. x more than y






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






15. 1-v3- 2 (90-30-60)






16. Is - as - was - has - cost






17. 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*)






18. 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.






19. ?






20. 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.






21. 1/y-1/x x -y ? 0






22. 1/x + 1/y x -y ? 0






23. Less than 90°






24. 7-24-25






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






26. In transversals






27. ? if a side is equal to b side then - the opposite corresponding angles are






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






29. Then their intersection is the null or empty set - written as Ø






30. 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






31. 2k + 1






32. Sin 60°






33. Diagonal= sv2






34. x +z > y+z






35. 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.






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






37. x(y+z)






38. x < y or y> x






39. A/A¹ = B/B¹= C/C¹






40. Area= s² perimeter= 4s






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






42. 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






43. Between 180° and 360°






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






45. Wx<wy






46. 180°






47. The sum of the interior angles is






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






49. Wx>wy






50. 1-1-1 (60-60-60)