Test your basic knowledge |

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 whole equals






2. Of






3. All odd numbers end in the digits of






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






5. 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 -






6. Is always a right angle.






7. R²






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






9. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints






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






11. Diagonal= sv2






12. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






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






14. Diagonals are perpendicular to each other and bisect the vertex angles 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 diagonal






15. Volume=lwh surface area= 2wh + 2hl + 2lw






16. x/100






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






18. | |






19. 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)






20. x older than y






21. x - (n/100)x






22. When the elements of a set are ordered pairs






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






24. 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.






25. z>y






26. N= combinations taken (order does not matter) r= rate at a time nCr or C(n -r) = (n)!/(r)! (remember to cancel out common numbers)






27. 180°






28. Is the relation with ALL ordered pairs REVERSED.






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






30. x>z






31. Area= 1/2bh perimeter= a+b+c






32. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.






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






34. 90°






35. Two tangents to a circle from the same point outside of the circle are always






36. 1/2d






37. x(y+z)






38. xw> yz






39. Wx<wy






40. x + (n/100)x






41. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a






42. If ?B > ?A - then






43. ? if a side < b side - then






44. y<x






45. A chord through the center of the circle






46. 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.






47. The increase from x to y






48. Any integer is divisible by 4 - if






49. Volume= 4/3?r² surface area= 4?r²






50. ?