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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
-y
a
itself
the last two digits of the number make a number that is divisible by 4

2. In a triangle - the greatest angles lies
opposite the greatest side
one solution
isosceles triangle
the square of x

3. 1/2d
x is less than y
radius of a circle
medians of a triangle
rectangular solid

4. ?
belongs to
x - y
the last digit is 0
never divide by zero

5. The percent increase from x to y (y>x)
one solution
central angle
(y-x/x)100
x>y and y>z

6. 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
null set
approx products
vertical angles
supplementary angles

7. Is always a right angle.
angle inscribed in semicircle
equal
y-x
times

8. Sum of an odd and an even number is
vertical angles
odd
altitude of a triangle
range of a relation

9. 1-v3- 2 (90-30-60)
the square of x
x + y
right triangle
x>y and w>z

10. 1-1-v2 (90-45-45)
it is also divisible by 2 and 3
if two sets have no elements in common
inconsistent lines
right triangle

11. 8-15-17
right triangle
cube
the third side
central angle

12. 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.
altitude of a triangle
n percent greater than x
the last three numbers are divisible by 8
w>0 and x>y

13. Less than 90°
acute angle
x + y
parallelogram
equal

14. A+b=c+ d=d
a+b+d=c+d
a<x<b
finding the union of sets
+y

15. N is what % of m
percent
n= mx/100
Axioms
parallel

16. x < y or y> x
x is less than y
(y-x/x)100
right triangle
angle a and angle b = angle d

17. When the elements of a set are ordered pairs
relation
diagonal of a square
x percent
x²+ 2xy+y²

18. The product of x and y
consistent lines
xy
closed set
xy-xz

19. 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
the third side
tangent
finding the union of sets
y angle< x angle

20. B>c+ d>e
belongs to
n percent greater than x
negative
b+d>c+e

21. Every set is a subset of
greater than c
itself
odd
b is the y-intercept

22. 3(4+1)= 3 x 4 + 3 x 1
right triangle
angle
distributive axiom
similar triangles

23. x > y or y< x
then side b > side a
x is greater than y
-y
properties of parallelograms

24. x younger than y
n= mx/100
vertical angles
x + y
x - y

25. A¹
opposite the greatest side
reflex angle
isosceles triangle
a

26. 1/2bh
trapezoid
equal
x - y
area of a triangle

27. Any integer is divisible by 4 - if
the last two digits of the number make a number that is divisible by 4
commutative axiom of addition and multiplication
right triangle
equilateral triangle

28. Sum of two odd numbers is
consistent lines
even
one solution
if two sets have no elements in common

29. Area= s² perimeter= 4s
rectangle
square
parallel
v2/2 or .71

30. (amount of decrease/original amount) x 100
expression of an odd number
isosceles triangle
standard deviation
the percent of decrease

31. The sume of x and y
x intercept
negative reciprocal of the other
associative axiom of addition and multiplication
x + y

32. V3
1.7
angle bisector
vertical angles
x>y and w>z

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
expression of an odd number
x intercept
approx sums
solution set

34. ?
closed set
perpendicular
angle
v2/2 or .71

35. (x+y)(x+y)= (x+y)²
inscribed angle
rectangle
parallelogram
x²+ 2xy+y²

36. Any integer is divisible by 8 if
angle
right triangle
null set
the last three numbers are divisible by 8

37. ?
perpendicular
chord
approx square roots
distributive axiom

38. C times as old as john

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39. Any integer is divisible by 6 if
(x-y/x)100
it is also divisible by 2 and 3
x - y
a<x<b

40. x more than y
if two sets have no elements in common
hexagon
x + y
b is the y-intercept

41. In transversals
properties of a square
all acute angles are equal and all obtuse angles are equal
y intercept
relation

42. /100 (the ______ number over 100)
x-y
percent
1/2
area of a triangle

43. ?
all acute angles are equal and all obtuse angles are equal
n percent greater than x
parallelogram
is a subset of

44. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)
closed set
times
chord
area of a triangle

45. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
right triangle
isosceles
x-y/xy

46. Sin 30°
1/2
x%
acute angle
x + y

47. Diagonal= sv2
diagonal of a square
-y
right triangle
when finding a solution set

48. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result
central angle
perpendicular
standard deviation
parallelogram

49. A chord through the center of the circle
simultaneous equations in 2 unknowns
equal
diameter
relation

50. Any integer is divisible by 3 - if
the sum of its digits is divisible by 3
average
x and y
quadratic equations