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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. 7-24-25






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






3. (x+y)(x+y)= (x+y)²






4. Is the relation with ALL ordered pairs REVERSED.






5. x more than y






6. The increase from x to y






7. x²






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






9. x(y+z)






10. A chord through the center of the circle






11. 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






12. Integer is divisible by 2






13. 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






14. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.






15. x - (n/100)x






16. A/A¹ = B/B¹= C/C¹






17. Any arc length is less than






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






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






20. The percent decrease from x to y ( y<x)






21. ? if a side < b side - then






22. ?if y angle< x angle - then






23. Set of solutions to an equation






24. 180°






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






26. The measure of an interior angle is






27. If y²= x - then y =






28. Angles that equal 180 degrees






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






30. /100 (the ______ number over 100)






31. Sin 60°






32. 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






33. 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






34. ?






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






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






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






38. All odd numbers end in the digits of






39. The product of an odd number of negative numbers is






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






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






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






43. Any integer is divisible by 3 - if






44. 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 -






45. 5-12-13






46. 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






47. ?






48. Any integer is divisible by 6 if






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






50. 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)