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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. y years ago






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






3. Set of solutions to an equation






4. x < y or y> x






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






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






7. The difference between x and y






8. 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}






9. The increase from x to y






10. 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.






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






12. z>y






13. Product of two odd numbers is






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






15. Sin 30°






16. 1/an






17. 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






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






19. A chord through the center of the circle






20. /100 (the ______ number over 100)






21. Area= s² perimeter= 4s






22. 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






23. The decrease from x to y






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






25. All odd numbers end in the digits of






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






27. (x+y)(x+y)= (x+y)²






28. ?if y angle< x angle - then






29. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.






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






31. 1/2d






32. Any integer is divisible by 9 - if






33. Sin 60°






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






35. Angles that equal 180 degrees






36. x/100






37. If b²-4ac < 0 - there are






38. Side a +side b of a ? is






39. x(y+z)






40. The sume of x and y






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






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






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






44. ? if a side < b side - then






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






46. A¹






47. x less than y






48. All three sides and all three angles are equal






49. Wx<wy






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