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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. The whole equals
the sum of parts
the square of x
null set
0 - 2 - 4 - 6 - 8

2. N is what % of m
n= mx/100
permutations
(x/100)m= n
0 - 2 - 4 - 6 - 8

3. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
isosceles triangle
a+b+d=c+d
Axioms
average

4. Any integer is divisible by 9 - if
v2/2 or .71
altitude of a triangle
x>y
the sum of its digits is divisible by 9

5. ? if a side is equal to b side then - the opposite corresponding angles are
equal
x + y
similar triangles
distributive axiom

6. Is a subset of every set
then side b > side a
similar triangles
null set
permutations

7. When the elements of a set are ordered pairs
finding the union of sets
relation
x+y/xy
right triangle

8. x older than y
x>y and y>z
x + y
perpendicular
y-x

9. If two lines are perpendicular - the slope of one is the
chord
negative reciprocal of the other
then side b > side a
null set

10. Any integer is divisible by 3 - if
x intercept
y-x
standard deviation
the sum of its digits is divisible by 3

11. 1-1-1 (60-60-60)
the perpendicular distance
right triangle
obtuse angle
equilateral triangle

12. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.
1 - 3 - 5 - 7 - 9
central angle
a<x<b
a set

13. A line that is perpendicular to a radius and that passes through only one point of the circle.
supplementary angles
and
tangent
n percent less than x

14. 2k + 1
parallel
relation
expression of an odd number
x percent

15. 1/an
equilateral triangle
w<0 and x>y
a?n
a set

16. The distance from the center of the circle
x - y
xy< 0
right triangle
radius

17. If b²-4ac < 0 - there are
approx sums
no solutions
360 degrees
equilateral triangle

18. Any arc length is less than
negative reciprocal of the other
standard deviation
360 degrees
xy-xz

19. x + y
x and y
pythagorean theorem
1.4
commutative axiom of addition and multiplication

20. x +z > y+z
radius of a circle
c x (john'S age)
x>y
x>y and y>z

21. A/A¹ = B/B¹= C/C¹
equal
isosceles
w>0 and x>y
similar triangles

22. Sum of two even numbers is
n= mx/100
even
a relation is a function
null set

23. x>0 and y<0 or x<0 and y >0
right triangle
supplementary angles
xy< 0
n percent less than x

24. 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 -
3.16
determining if a number is prime
tangent
x<0 and z=x+y

25. A<x and x<b
equal
greater than c
a<x<b
two solutions

26. | |
isosceles
inverse of a relation
parallel
tangent

27. Every set is a subset of
a+b+d=c+d
x-y/xy
itself
range of a relation

28. 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*)
then side b > side a
no solutions
1 - 3 - 5 - 7 - 9
closed set

29. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
xy
is a subset of
rectangular solid
semicircle

30. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
the square of x
trapezoid
isosceles
find the intersection of two sets

31. One angle is equal 90° and the other two angles are equal to the sum of 90°
180 degrees
x%
right triangle
x intercept

32. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
simultaneous equations
when finding a solution set
v2/2 or .71
closed set

33. The percent decrease from x to y ( y<x)
approx sums
triangle or straight line
(x-y/x)100
x - y

34. 180°
b is the y-intercept
x and y
triangle or straight line
diagonal of a square

35. 90°
right angle
percent
properties of a rhombus
inconsistent lines

36. Angles directly across each other are equal
consistent lines
w<0 and x>y
equilateral triangle
vertical angles

37. 2k
x-y/xy
x>y and y>z
rectangular solid
expression of an even number

38. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
right triangle
a relation is a function
cylinder
x<0

39. z>y
x<0 and z=x+y
opposite the greatest side
equal to the slope of the other
find the intersection of two sets

40. Any number squared or raised to an even power is
always positive or zero
1
similar triangles
semicircle

41. Sum of two odd numbers is
x>y>0 and w>z>0
xy
triangle or straight line
even

42. 360°
equilateral triangle
circle
isosceles triangle
consistent lines

43. 5+3= 3+5 and 5 x 3= 3 x 5
triangle or straight line
right triangle
expression of an odd number
commutative axiom of addition and multiplication

44. Sin 60°
x%
1
all acute angles are equal and all obtuse angles are equal
v3/2 or .87

45. Wx<wy
diameter of circle
xy-xz
x-y/xy
w<0 and x>y

46. 7-24-25
x>y and y>z
central angle
never divide by zero
right triangle

47. 180°
b is the y-intercept
y-x
straight angle
tangent

48. ? if a side < b side - then
y-x
y angle< x angle
the sum of parts
right triangle

49. ?
belongs to
null set
parallel
perpendicular

50. Area= l x w perimeter = (2l)(2w)
±vx
medians of a triangle
rectangle
x²-y²