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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. A line that is perpendicular to a radius and that passes through only one point of the circle.






2. When the elements of a set are ordered pairs






3. 1/y-1/x x -y ? 0






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






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






6. ?if y angle< x angle - then






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






8. ?






9. 2k + 1






10. 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)






11. ?






12. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.






13. ?






14. Any integer is divisible by 8 if






15. ?






16. 7-24-25






17. The decrease from x to y






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






19. 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






20. x > y or y< x






21. ? if a side < b side - then






22. A subset of a set is






23. 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






24. xw> yz






25. C times as old as john

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26. 1/x + 1/y x -y ? 0






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






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






29. If b²-4ac < 0 - there are






30. x+w> y+z






31. Is a subset of every set






32. M= y2-y1/x2-x1






33. Sum of an odd and an even number is






34. x older than y






35. Angles directly across each other are equal






36. 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)






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






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






39. x - (n/100)x






40. (x+y)(x+y)= (x+y)²






41. Sum of two even numbers is






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






43. 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.






44. 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






45. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)






46. Any integer is divisible by 9 - if






47. 1/an






48. B²-4ac = 0 there is






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






50. 9-40-41