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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. C times as old as john

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2. R²
implies
regular polygon properties
diameter of circle
the sum of its digits is divisible by 3

3. All angles are right angles and diagonals are equal 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
properties of a rectangle
xy-xz
the sum of parts
x is less than y

4. A subset of a set is
x²+ 2xy+y²
x²-y²
a set
one solution

5. If y²= x - then y =
then side b > side a
v2/2 or .71
±vx
circle

6. x younger than y
x - y
the last two digits of the number make a number that is divisible by 4
hexagon
is a subset of

7. The product of an odd number of negative numbers is
isosceles
negative
x intercept
a<x<b

8. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
semicircle
vertical angles
chord
x+y/xy

9. 1/2bh
area of a triangle
the percent of increase
odd
sphere

10. Angles directly across each other are equal
obtuse angle
vertical angles
itself
1.4

11. Sum of two odd numbers is
polygon
even
v(x2-x1)²+ (y2-y1)²
similar triangles

12. Area= bh perimeter= 2a +2b
equals
diameter of circle
angle a and angle b = angle d
parallelogram

13. The angles opposite to sides that are equal in length have
equal angles
implies
midpoint of a line segment joining 2 parts
distributive axiom

14. Any integer is divisible by 5 if
circle
x>y and w>z
distributive axiom
the last digit is either 0 or 5

15. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
x>y and y>z
the last two digits of the number make a number that is divisible by 4
+y
isosceles triangle

16. x < y or y> x
the third side
x is less than y
x²-2xy+y²
angle

17. 1-1-1 (60-60-60)
finding the union of sets
isosceles
equilateral triangle
triangle or straight line

18. x less than y
360 degrees
rectangle
y-x
polygon

19. ?
greater than c
perpendicular
finding the union of sets
isosceles triangle

20. Any arc length is less than
x-y
or
360 degrees
null set

21. A chord through the center of the circle
it is also divisible by 2 and 3
perpendicular bisectors
trapezoid
diameter

22. Set of solutions to an equation
odd
the sum of its digits is divisible by 9
square
solution set

23. x + y
x and y
two solutions
is a subset of
radius

24. Any line that connects two points on a circle.
circle
chord
the percent of increase
the last two digits of the number make a number that is divisible by 4

25. Volume=lwh surface area= 2wh + 2hl + 2lw
22/7 or 3.14
rectangular solid
properties of parallelograms
a?n

26. Area= 1/2bh perimeter= a+b+c
triangle
area of a triangle
determining if a number is prime
sphere

27. The point where the line crosses the x-axis - y will always = 0 in this case
x intercept
x²-y²
right triangle
consistent lines

28. 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.
regular polygon properties
y intercept
negative
right triangle

29. A¹
a
the percent of decrease
x - y
rectangle

30. Product of two odd numbers is
is a subset of
equal to the slope of the other
a?n
odd

31. The distance between two parallel lines or from a point to a line always means
acute angle
x intercept
the perpendicular distance
triangle

32. x(y+z)
central angle
xy
v2/2 or .71
xy + xz

33. Two tangents to a circle from the same point outside of the circle are always
equal
find the intersection of two sets
1 - 3 - 5 - 7 - 9
when finding a solution set

34. ?
vertical angles
v2/2 or .71
acute angle
22/7 or 3.14

35. Wx<wy
equal to the slope of the other
set
x²-2xy+y²
w<0 and x>y

36. x(y-z)
xy-xz
angle inscribed in semicircle
y angle< x angle
semicircle

37. x - (n/100)x
find the intersection of two sets
simultaneous equations
pythagorean theorem
n percent less than x

38. The distance from the center of the circle
closed set
equal to the slope of the other
x<0
radius

39. What % of m is n
(x/100)m= n
approx products
right angle
or

40. Side a +side b of a ? is
x²+ 2xy+y²
greater than c
inverse of a relation
find the intersection of two sets

41. Then their intersection is the null or empty set - written as Ø
right triangle
if two sets have no elements in common
expression of an even number
+y

42. If two lines are perpendicular - the slope of one is the
negative reciprocal of the other
x-y/xy
or
cylinder

43. A+b=c+ d=d
y-x
acute angle
right triangle
a+b+d=c+d

44. x older than y
x + y
perpendicular
v2/2 or .71
(x/100)m= n

45. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
equal to the slope of the other
set
no solutions

46. (x-y)(x-y) = (x-y)²
y angle< x angle
v(x2-x1)²+ (y2-y1)²
x²-2xy+y²
a<x<b

47. In transversals
x>y
the last two digits of the number make a number that is divisible by 4
straight angle
all acute angles are equal and all obtuse angles are equal

48. The difference between x and y
distributive axiom
v3/2 or .87
it is also divisible by 2 and 3
x - y

49. Is a subset of every set
null set
angle inscribed in semicircle
chord
equal angles

50. y years ago
1
always positive or zero
-y
x + y