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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. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
y angle< x angle
circle
acute angle
set

2. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.
c x (john'S age)
if two sets have no elements in common
y-x
polygon

3. A¹
all acute angles are equal and all obtuse angles are equal
equilateral triangle
w>0 and x>y
a

4. 90°
angle a and angle b = angle d
right angle
x percent
right triangle

5. /100 (the ______ number over 100)
x²-y²
n= mx/100
percent
vertical angles

6. The difference between x and y
negative
n percent greater than x
x - y
(x-y/x)100

7. 5+3= 3+5 and 5 x 3= 3 x 5
angle bisector
domain of a relation
commutative axiom of addition and multiplication
vertical angles

8. x younger than y
radius of a circle
x - y
chord
pythagorean theorem

9. ?
±vx
xy + xz
or
never divide by zero

10. x + (n/100)x
determining if a number is prime
right triangle
Axioms
n percent greater than x

11. Any integer is divisible by 5 if
the last digit is either 0 or 5
parallelogram
determining if a number is prime
180 degrees

12. 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.
perpendicular bisectors
inconsistent lines
right triangle
regular polygon properties

13. Angles directly across each other are equal
square
parallelogram
vertical angles
equilateral triangle

14. V2/2- v2/2 - 1 (90-45-45)
expression of an even number
isosceles triangle
angle a and angle b = angle d
then side b > side a

15. A subset of a set is
n percent less than x
-y
a set
±vx

16. (x-y)(x-y) = (x-y)²
chord
isosceles
x²-2xy+y²
the percent of increase

17. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
diagonal of a square
right triangle
quadratic equations
y-x

18. Of
times
greater than c
tangent
a

19. In a triangle - if ?c(interior angle in triangle) and ?d(exterior angle out of triangle) are supplmentary angles - than ?a and ?b are remote interior angles to <d - thus - a +b+c = 180 (triangle) c+d = 180 (supplementary angles)
set
angle a and angle b = angle d
right triangle
xy< 0

20. Integer is divisible by 2
if the last digit of the number is 0 -2 -4 -6 -8
the square of x
even
x²-2xy+y²

21. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
equilateral triangle
two solutions
properties of parallelograms
x²-2xy+y²

22. If the base angles of a triangle are equal - the triangle is
equilateral triangle
vertical angles
isosceles
(x-y/x)100

23. Angles that equal 180 degrees
perpendicular bisectors
any variable
supplementary angles
x + y

24. Area= 1/2bh perimeter= a+b+c
y angle< x angle
x percent
triangle
perpendicular

25. Intersect at only one point - the point is the only solution to the pair of equations
v(x2-x1)²+ (y2-y1)²
consistent lines
x is greater than y
expression of an odd number

26. A/A¹ = B/B¹= C/C¹
the sum of parts
the percent of increase
similar triangles
right triangle

27. xw> yz
x>y>0 and w>z>0
x²+ 2xy+y²
diameter of circle
the last digit is 0

28. The distance between two parallel lines or from a point to a line always means
negative reciprocal of the other
solution set
equal to the sum of the measures of the remote exterior angles
the perpendicular distance

29. When the elements of a set are ordered pairs
x intercept
xy
isosceles triangle
relation

30. If y²= x - then y =
the last digit is 0
right triangle
finding the union of sets
±vx

31. ?
implies
diameter
simultaneous equations
all acute angles are equal and all obtuse angles are equal

32. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
is a subset of
180 degrees
inconsistent lines
radius of a circle

33. The distance from the center of the circle
angle bisector
equal
x²+ 2xy+y²
radius

34. B>c+ d>e
relation
(x/100)m= n
b+d>c+e
a?n

35. (sum of individual quantities or measures/ total number of quantities or measures)
inverse of a relation
average
tangent
22/7 or 3.14

36. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}
when finding a solution set
perpendicular bisectors
1.7
a+b+d=c+d

37. 2k + 1
then side b > side a
expression of an odd number
right triangle
v3/2 or .87

38. Sum of two even numbers is
midpoint of a line segment joining 2 parts
even
simultaneous equations
x percent

39. x > y or y< x
a side< b side
supplementary angles
x is greater than y
sphere

40. 1/2bh
x-y/xy
(y-x/x)100
probability
area of a triangle

41. Product of two odd numbers is
equal
a set
odd
v2/2 or .71

42. 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)
range of a relation
altitude of a triangle
right angle
probability

43. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
1.7
x²+ 2xy+y²
similar triangles
circle

44. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
range of a relation
x>y
angle
find the intersection of two sets

45. Any integer is divisible by 6 if
simultaneous equations in 2 unknowns
it is also divisible by 2 and 3
chord
approx products

46. Wx>wy
sphere
w>0 and x>y
right triangle
right triangle

47. If ?B > ?A - then
quadratic equations
set
n percent less than x
then side b > side a

48. (x+y)(x+y)= (x+y)²
x + y
3.16
x²+ 2xy+y²
equal

49. Two tangents to a circle from the same point outside of the circle are always
obtuse angle
null set
(x-y/x)100
equal

50. 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
v2/2 or .71
vertical angles
approx products
sphere