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






2. Wx>wy






3. V3






4. 1. round each number being added to one more place than it is being asked. 2. add the rounded numbers. 3. round off the sum to the desired number of places






5. ? if a side < b side - then






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






7. A chord through the center of the circle






8. xn<0 if n is odd and xn>0 if n is even






9. The product of x and y






10. Less than 90°






11. x²






12. V2






13. 9-40-41






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






15. 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.






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






17. The quotient of any quantity (except 0) divided by zero is infinity






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






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






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






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






22. 3-4-5






23. x > y or y< x






24. 1/y-1/x x -y ? 0






25. 1/2d






26. Any integer is divisible by 9 - if






27. Sin 60°






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. Any integer is divisible by 6 if






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






31. 1-1-1 (60-60-60)






32. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B






33. x + (n/100)x






34. 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






35. A°






36. Volume= 4/3?r² surface area= 4?r²






37. Angles directly across each other are equal






38. Is - as - was - has - cost






39. If b²-4ac > 0 there are






40. In transversals






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






42. Is the relation with ALL ordered pairs REVERSED.






43. The decrease from x to y






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






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






46. Which - what






47. Sum of two odd numbers is






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






49. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}






50. If an equation can be put into the form y= mx +b - then