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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 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.






2. Volume= e(edge)³ surface area= 6e²






3. The measure of an interior angle is






4. V3






5. The product of x and y






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






7. ? if a side < b side - then






8. V2






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






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






11. 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}






12. ?






13. 3-4-5






14. M=number of favorable ways n= total number of ways (two events occurring is the prob of the first times the prob of the second)






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






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






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






18. The distance between two parallel lines or from a point to a line always means






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






20. What % of m is n






21. ?






22. (sum of individual quantities or measures/ total number of quantities or measures)






23. A chord through the center of the circle






24. 2k + 1






25. y years ago






26. 1.each pair of opposite sides are equal 2. the diagonals bisect eachother 3. the opposite angles are equal 4. one diagonal divides it into two congruent triangles and two diagonals divides it into two pairs of congruent triangles






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






28. ?if y angle< x angle - then






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






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






31. x(y+z)






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






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






34. 1/2d






35. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.






36. x > y or y< x






37. If b²-4ac > 0 there are






38. 360°






39. M= y2-y1/x2-x1






40. x older than y






41. x²






42. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






43. ?






44. x less than y






45. 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






46. x + y






47. 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






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






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






50. The angles opposite to sides that are equal in length have