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






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






3. 180°






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






5. y years ago






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






7. y<x






8. Product of an even number and any other number is






9. | |






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






11. Any number squared or raised to an even power is






12. Any integer is divisible by 10 - if






13. If b²-4ac < 0 - there are






14. The distance from the center of the circle






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






16. 1/x + 1/y x -y ? 0






17. 90°






18. 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






19. 1/2d






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






21. Integer is divisible by 2






22. Sin 30°






23. 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.






24. Sum of two even numbers is






25. ?






26. ?






27. Sum of two odd numbers is






28. Area= s² perimeter= 4s






29. x > y or y< x






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






31. 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.






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






33. All odd numbers end in the digits of






34. If ?B > ?A - then






35. 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






36. 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 -






37. (x-y)(x-y) = (x-y)²






38. Of






39. The difference between x and y






40. 1/an






41. 5-12-13






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






43. ?if y angle< x angle - then






44. ? if a side is equal to b side then - the opposite corresponding angles are






45. V3






46. 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}






47. Sum of an odd and an even number is






48. R²






49. A+b=c+ d=d






50. x+w> y+z