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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. Is always a right angle.






2. ?






3. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)






4. ?






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






6. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)






7. Sum of two odd numbers is






8. 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






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






10. The product of x and y






11. Any line that connects two points on a circle.






12. x + (n/100)x






13. 1/x + 1/y x -y ? 0






14. ?






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






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






17. 5+3= 3+5 and 5 x 3= 3 x 5






18. Ax= by + C






19. Sum of two even numbers is






20. z>y






21. The decrease from x to y






22. 1/2d






23. 180°






24. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.






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






26. The measure of an interior angle is






27. x > y or y< x






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






29. In transversals






30. 1/2bh






31. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)






32. (x+y)(x+y)= (x+y)²






33. 8-15-17






34. In a triangle - if ?c(interior angle in triangle) and ?d(exterior angle out of triangle) are supplmentary angles - than ?a and ?b are remote interior angles to <d - thus - a +b+c = 180 (triangle) c+d = 180 (supplementary angles)






35. (x+y) (x-y)






36. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B






37. Any integer is divisible by 8 if






38. (amount of decrease/original amount) x 100






39. 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.






40. x < y or y> x






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






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






43. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other






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






45. The distance from the center of the circle






46. Any integer is divisible by 5 if






47. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both






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






49. Is the set of the first components of the ordered pairs.






50. V3