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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. Any number squared or raised to an even power is






2. C times as old as john

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3. Angles that equal 180 degrees






4. 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.






5. x + y






6. Any integer is divisible by 10 - if






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






8. 2k + 1






9. 180°






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






11. Area= bh perimeter= 2a +2b






12. x more than y






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






14. ?






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






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






17. A<x and x<b






18. 1-1-v2 (90-45-45)






19. Between 90° and 180°






20. x+w> y+z






21. If b²-4ac > 0 there are






22. A¹






23. Angle whose sides are two chords. The vertex of the angles lies on the circumference of the circle. The number of degrees of the angle is equal to 1/2 the intercepted arc






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






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






26. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)






27. R²






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






29. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -






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






31. Less than 90°






32. 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






33. 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.






34. B>c+ d>e






35. The increase from x to y






36. 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.






37. 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.






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






39. x + (n/100)x






40. 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






41. 5-12-13






42. 3(4+1)= 3 x 4 + 3 x 1






43. Angles directly across each other are equal






44. All three sides and all three angles are equal






45. If ?B > ?A - then






46. If two lines are perpendicular - the slope of one is the






47. A+b=c+ d=d






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






49. 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.






50. 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