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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. x +z > y+z






2. A°






3. 3-4-5






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






5. ?






6. R²






7. Intersect at only one point - the point is the only solution to the pair of equations






8. Set of solutions to an equation






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






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






11. Is the relation with ALL ordered pairs REVERSED.






12. Side a +side b of a ? is






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






14. 5-12-13






15. 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}






16. In transversals






17. (x+y) (x-y)






18. If the each element of the domain occurs only once as a FIRST component






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






20. 7-24-25






21. Is the set of the second components of the ordered pairs






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






23. x older than y






24. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






25. x more than y






26. Is - as - was - has - cost






27. 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)






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






29. 1/an






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






31. 1-v3- 2 (90-30-60)






32. Any integer is divisible by 3 - if






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






34. If y²= x - then y =






35. 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*)






36. y years from now






37. x(y-z)






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






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






40. C²= a²+b² and angle x and y are equal to 90°






41. Less than 90°






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






43. 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






44. A subset of a set is






45. B²-4ac = 0 there is






46. 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.






47. 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.






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






49. Every set is a subset of






50. Any arc length is less than