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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. Side a +side b of a ? is
rectangular solid
properties of a rhombus
greater than c
x<0 and z=x+y

2. Integer is divisible by 2
x%
if the last digit of the number is 0 -2 -4 -6 -8
x>y
the last three numbers are divisible by 8

3. Intersect at only one point - the point is the only solution to the pair of equations
consistent lines
one solution
right triangle
x and y

4. (x-y)(x-y) = (x-y)²
+y
x²-2xy+y²
right triangle
x<0 and z=x+y

5. Is the relation with ALL ordered pairs REVERSED.
if two sets have no elements in common
inverse of a relation
determining if a number is prime
semicircle

6. (sum of individual quantities or measures/ total number of quantities or measures)
right triangle
xy>0
average
x - y

7. 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 -
determining if a number is prime
isosceles triangle
x>y and w>z
distributive axiom

8. Sum of two odd numbers is
x+y/xy
diagonal of a square
+y
even

9. Is a subset of every set
null set
if two sets have no elements in common
radius
the last three numbers are divisible by 8

10. 1/an
c x (john'S age)
properties of a rhombus
the percent of increase
a?n

11. V3
if the last digit of the number is 0 -2 -4 -6 -8
1.7
right triangle
+y

12. Is - as - was - has - cost
right triangle
equals
times
radius of a circle

13. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.
perpendicular
medians of a triangle
b+d>c+e
the perpendicular distance

14. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
xy>0
find the intersection of two sets
distributive axiom
1

15. x²
rectangular solid
properties of a square
x²-y²
the square of x

16. The product of an even number of negative numbers is
positive
22/7 or 3.14
x + y
square

17. C²= a²+b² and angle x and y are equal to 90°
v(x2-x1)²+ (y2-y1)²
right triangle
straight angle
parallelogram

18. 1-v3- 2 (90-30-60)
it is also divisible by 2 and 3
average
permutations
right triangle

19. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
right triangle
xy-xz
when finding a solution set
relation

20. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
the last three numbers are divisible by 8
quadratic equations
permutations
x<0 and z=x+y

21. x(y-z)
cube
x intercept
or
xy-xz

22. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
x²-2xy+y²
circle
Axioms
properties of a rectangle

23. A subset of a set is
xy>0
a set
angle a and angle b = angle d
the perpendicular distance

24. 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.
properties of a rectangle
central angle
probability
parallel

25. Area= bh perimeter= 2a +2b
the percent of decrease
a relation is a function
parallelogram
simultaneous equations in 2 unknowns

26. 7-24-25
x>y>0 and w>z>0
the sum of its digits is divisible by 3
right triangle
right angle

27. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
x>y
parallel
1/2
set

28. M= y2-y1/x2-x1
angle a and angle b = angle d
null set
slope of a line joining two points
(x-y/x)100

29. In transversals
altitude of a triangle
isosceles triangle
all acute angles are equal and all obtuse angles are equal
midpoint of a line segment joining 2 parts

30. Set of solutions to an equation
cylinder
find the intersection of two sets
solution set
opposite the greatest side

31. The decrease from x to y
the last two digits of the number make a number that is divisible by 4
3.16
x-y
slope of a line joining two points

32. (amount of increase/original amount) x 100
when finding a solution set
the percent of increase
x intercept
cube

33. The percent decrease from x to y ( y<x)
tangent
right triangle
(x-y/x)100
inverse of a relation

34. Angles that equal 180 degrees
vertical angles
equals
supplementary angles
22/7 or 3.14

35. x younger than y
b+d>c+e
x - y
y angle< x angle
xy + xz

36. Any integer is divisible by 10 - if
x - y
the last digit is 0
combinations
expression of an odd number

37. ?
belongs to
right triangle
diameter
midpoint of a line segment joining 2 parts

38. A line that is perpendicular to a radius and that passes through only one point of the circle.
cube
tangent
c x (john'S age)
midpoint of a line segment joining 2 parts

39. R²
±vx
diameter of circle
equilateral triangle
the perpendicular distance

40. 8-15-17
all acute angles are equal and all obtuse angles are equal
angle
right angle
right triangle

41. 1-1-v2 (90-45-45)
right triangle
1.7
it is also divisible by 2 and 3
x-y/xy

42. 2k + 1
the sum of its digits is divisible by 9
equal
times
expression of an odd number

43. All odd numbers end in the digits of
1 - 3 - 5 - 7 - 9
xy
360 degrees
finding the union of sets

44. If the base angles of a triangle are equal - the triangle is
closed set
isosceles
vertical angles
right triangle

45. Sin 45°
v2/2 or .71
square
properties of parallelograms
right triangle

46. The whole equals
equal
the sum of parts
a?n
all acute angles are equal and all obtuse angles are equal

47. 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.
quadratic equations
chord
x%
regular polygon properties

48. Diagonal= sv2
isosceles triangle
a
diagonal of a square
the perpendicular distance

49. Any integer is divisible by 9 - if
positive
quadratic equations
the sum of its digits is divisible by 9
x - y

50. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
square
simultaneous equations in 2 unknowns
the last three numbers are divisible by 8
similar triangles