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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. Any integer is divisible by 6 if
1/2
it is also divisible by 2 and 3
and
polygon

2. xw> yz
x>y>0 and w>z>0
+y
medians of a triangle
equilateral triangle

3. 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.
x intercept
the sum of its digits is divisible by 9
average
regular polygon properties

4. 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
1.4
determining if a number is prime
approx products
right triangle

5. x>z
approx square roots
x<0 and z=x+y
permutations
x>y and y>z

6. Any integer is divisible by 9 - if
n percent greater than x
diameter of circle
the sum of its digits is divisible by 9
consistent lines

7. A/A¹ = B/B¹= C/C¹
a+b+d=c+d
equilateral triangle
1/2
similar triangles

8. x younger than y
x - y
x-y/xy
circle
x + y

9. 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
y-x
approx sums
xy< 0
v(x2-x1)²+ (y2-y1)²

10. 1/2d
when finding a solution set
always positive or zero
22/7 or 3.14
radius of a circle

11. (x+y) (x-y)
x + y
x²-y²
belongs to
then side b > side a

12. /100 (the ______ number over 100)
Axioms
percent
(x/100)m= n
right triangle

13. 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
x>y>0 and w>z>0
inverse of a relation
medians of a triangle

14. If b²-4ac < 0 - there are
range of a relation
Axioms
no solutions
straight angle

15. B>c+ d>e
the sum of its digits is divisible by 3
b+d>c+e
(x/100)m= n
the sum of parts

16. If y²= x - then y =
circle
circle
±vx
x and y

17. Product of an even number and any other number is
even
a side< b side
the last three numbers are divisible by 8
equal to the slope of the other

18. 5-12-13
all acute angles are equal and all obtuse angles are equal
x²-y²
right triangle
x-y/xy

19. (sum of individual quantities or measures/ total number of quantities or measures)
regular polygon properties
angle inscribed in semicircle
w>0 and x>y
average

20. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
implies
isosceles triangle
right triangle
cylinder

21. x + (n/100)x
altitude of a triangle
odd
n percent greater than x
y-x

22. Sum of two odd numbers is
x intercept
equal to the slope of the other
x - y
even

23. x(y+z)
diameter of circle
area of a triangle
xy + xz
polygon

24. The product of x and y
(x/100)m= n
xy
the last two digits of the number make a number that is divisible by 4
angle

25. x>0 and y>0 or x<0 and y<0
never divide by zero
equilateral triangle
xy>0
equilateral triangle

26. Sin 30°
equal
1/2
even
perpendicular bisectors

27. C²= a²+b² and angle x and y are equal to 90°
medians of a triangle
right triangle
x>y and w>z
properties of a square

28. M= y2-y1/x2-x1
even
rectangle
slope of a line joining two points
xy>0

29. x older than y
x + y
trapezoid
(x-y/x)100
approx square roots

30. Any integer is divisible by 5 if
solution set
triangle
midpoint of a line segment joining 2 parts
the last digit is either 0 or 5

31. Any line that connects two points on a circle.
it is also divisible by 2 and 3
coinciding lines
obtuse angle
chord

32. x/100
1/2
+y
hemisphere
x%

33. If two lines are parallel - the slope of one is
equal to the slope of the other
right triangle
distributive axiom
average

34. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
c x (john'S age)
reflex angle
the last two digits of the number make a number that is divisible by 4
quadratic equations

35. Ax= by + C
right triangle
simultaneous equations in 2 unknowns
medians of a triangle
belongs to

36. 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)
probability
commutative axiom of addition and multiplication
xy-xz
expression of an even number

37. Is a subset of every set
(x-y/x)100
xy + xz
x + y
null set

38. If the each element of the domain occurs only once as a FIRST component
a relation is a function
v2/2 or .71
the last digit is 0
3.16

39. N is what % of m
average
n= mx/100
(y-x/x)100
vertical angles

40. x>0 and y<0 or x<0 and y >0
equal
all acute angles are equal and all obtuse angles are equal
odd
xy< 0

41. Product of two odd numbers is
the last digit is either 0 or 5
odd
approx square roots
sphere

42. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
equal angles
right triangle
inverse of a relation
isosceles triangle

43. Volume= e(edge)³ surface area= 6e²
x-y
cube
x<0 and z=x+y
c x (john'S age)

44. Area= s² perimeter= 4s
b+d>c+e
square
supplementary angles
is a subset of

45. The sume of x and y
x + y
xy + xz
1.7
the sum of its digits is divisible by 9

46. Any integer is divisible by 3 - if
the sum of its digits is divisible by 3
22/7 or 3.14
equals
approx products

47. Side a +side b of a ? is
the percent of decrease
x>y and w>z
x is less than y
greater than c

48. Set of solutions to an equation
(y-x/x)100
tangent
solution set
null set

49. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
y-x
v(x2-x1)²+ (y2-y1)²
range of a relation
chord

50. ?if y angle< x angle - then
a side< b side
when finding a solution set
right triangle
or