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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. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






2. x < y or y> x






3. The percent decrease from x to y ( y<x)






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






5. A+b=c+ d=d






6. Between 90° and 180°






7. ?






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






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






10. Sin 45°






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






12. A/A¹ = B/B¹= C/C¹






13. ?






14. A<x and x<b






15. The percent increase from x to y (y>x)






16. x(y+z)






17. Any line that connects two points on a circle.






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






19. If two lines are parallel - the slope of one is






20. M= y2-y1/x2-x1






21. The measure of an interior angle is






22. Which - what






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






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






26. In transversals






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






28. 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 -






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






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






31. ?if y angle< x angle - then






32. y years ago






33. 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.






34. C times as old as john

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35. A°






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






37. All odd numbers end in the digits of






38. Sin 60°






39. | |






40. Between 180° and 360°






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






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






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






44. x + y






45. Product of two odd numbers is






46. 1/y-1/x x -y ? 0






47. 180°






48. 1/2d






49. In a triangle - the greatest angles lies






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






Can you answer 50 questions in 15 minutes?



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