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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. The product of an odd number of negative numbers is






2. 360°






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






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






5. A+b=c+ d=d






6. Is a subset of every set






7. Sin 60°






8. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)






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






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






11. Volume= 4/3?r² surface area= 4?r²






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






13. B>c+ d>e






14. x>z






15. 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.






16. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases






17. Area = ?r² circumference(perimeter)= 2?r






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






19. Sum of two even numbers is






20. Sum of an odd and an even number is






21. (x+y)(x+y)= (x+y)²






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






23. Side a +side b of a ? is






24. Volume= e(edge)³ surface area= 6e²






25. x(y-z)






26. ? if a side < b side - then






27. ?






28. 2k + 1






29. Between 90° and 180°






30. 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 -






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






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






33. What % of m is n






34. If b²-4ac > 0 there are






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






36. Between 180° and 360°






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






38. ?






39. All odd numbers end in the digits of






40. Angles directly across each other are equal






41. Any integer is divisible by 6 if






42. The measure of an interior angle is






43. 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.






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






45. Sin 30°






46. ?






47. (x+y) (x-y)






48. xw> yz






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






50. Ax= by + C