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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. If y²= x - then y =
±vx
simultaneous equations
diameter
(y-x/x)100

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.
polygon
v3/2 or .87
x<0 and z=x+y
all acute angles are equal and all obtuse angles are equal

3. 1/2d
is a subset of
a
parallel
radius of a circle

4. y years from now
right triangle
±vx
+y
associative axiom of addition and multiplication

5. The quotient of any quantity (except 0) divided by zero is infinity
never divide by zero
rectangular solid
sphere
x²+ 2xy+y²

6. ?
xy-xz
right triangle
and
two solutions

7. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
a+b+d=c+d
trapezoid
the sum of its digits is divisible by 9
the sum of its digits is divisible by 3

8. B>c+ d>e
x>y and y>z
b+d>c+e
right triangle
equal angles

9. What % of m is n
right triangle
(x/100)m= n
x>y and y>z
x<0 and z=x+y

10. x +z > y+z
+y
x and y
x is less than y
x>y

11. ?
equilateral triangle
a set
vertical angles
or

12. Any integer is divisible by 3 - if
x<0 and z=x+y
the sum of its digits is divisible by 3
right triangle
angle bisector

13. x more than y
x + y
xy-xz
all acute angles are equal and all obtuse angles are equal
x is greater than y

14. The angles opposite to sides that are equal in length have
belongs to
equal angles
x percent
inconsistent lines

15. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
approx products
set
expression of an even number
average

16. 1.each pair of opposite sides are equal 2. the diagonals bisect eachother 3. the opposite angles are equal 4. one diagonal divides it into two congruent triangles and two diagonals divides it into two pairs of congruent triangles
properties of parallelograms
all acute angles are equal and all obtuse angles are equal
n percent greater than x
closed set

17. (amount of increase/original amount) x 100
the percent of increase
xy-xz
the sum of parts
right triangle

18. 1/x + 1/y x -y ? 0
x+y/xy
a relation is a function
chord
x percent

19. 1/y-1/x x -y ? 0
x-y/xy
a relation is a function
if two sets have no elements in common
find the intersection of two sets

20. ? if a side < b side - then
inscribed angle
y angle< x angle
xy-xz
range of a relation

21. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
properties of a rhombus
inconsistent lines
null set
semicircle

22. 7-24-25
n percent less than x
x-y/xy
supplementary angles
right triangle

23. Sin 30°
straight angle
right triangle
x percent
1/2

24. Sum of an odd and an even number is
-y
odd
equal
properties of parallelograms

25. 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*)
x>y>0 and w>z>0
simultaneous equations in 2 unknowns
closed set
hexagon

26. When the elements of a set are ordered pairs
relation
x+y/xy
odd
perpendicular bisectors

27. Is the set of the first components of the ordered pairs.
isosceles triangle
any variable
x + y
domain of a relation

28. 1-1-1 (60-60-60)
even
equilateral triangle
distributive axiom
even

29. 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
b+d>c+e
obtuse angle
approx products
y-x

30. Any integer is divisible by 9 - if
x - y
acute angle
the sum of its digits is divisible by 9
360 degrees

31. (x-y)(x-y) = (x-y)²
x is greater than y
x + y
x²-2xy+y²
radius of a circle

32. The distance between two parallel lines or from a point to a line always means
the perpendicular distance
central angle
equilateral triangle
right triangle

33. x>z
reflex angle
domain of a relation
x>y and y>z
radius of a circle

34. 360°
circle
obtuse angle
greater than c
hexagon

35. Is a subset of every set
null set
the perpendicular distance
the sum of its digits is divisible by 9
slope of a line joining two points

36. x/100
1
similar triangles
the sum of parts
x percent

37. In transversals
x-y
all acute angles are equal and all obtuse angles are equal
x+y/xy
cylinder

38. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
expression of an even number
or
similar triangles
approx products

39. (x+y) (x-y)
probability
x²-y²
x%
domain of a relation

40. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.
even
angle
perpendicular bisectors
n= mx/100

41. If ?B > ?A - then
right triangle
diameter of circle
then side b > side a
finding the union of sets

42. Less than 90°
a side< b side
acute angle
semicircle
v(x2-x1)²+ (y2-y1)²

43. Any line that connects two points on a circle.
chord
radius of a circle
circle
central angle

44. Any number squared or raised to an even power is
always positive or zero
the third side
no solutions
x and y

45. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
cylinder
b+d>c+e
similar triangles
x is greater than y

46. Any integer is divisible by 6 if
isosceles
it is also divisible by 2 and 3
isosceles triangle
tangent

47. | |
(y-x/x)100
regular polygon properties
parallel
inscribed angle

48. x - (n/100)x
right triangle
equal
itself
n percent less than x

49. x(y+z)
x-y/xy
xy + xz
triangle
obtuse angle

50. Integer is divisible by 2
if the last digit of the number is 0 -2 -4 -6 -8
xy
determining if a number is prime
y-x