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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 a side < b side - then
xy + xz
y angle< x angle
circle
reflex angle

2. Angles that equal 180 degrees
360 degrees
supplementary angles
0 - 2 - 4 - 6 - 8
vertical angles

3. A°
supplementary angles
1
if the last digit of the number is 0 -2 -4 -6 -8
even

4. 2k
x+y/xy
chord
cube
expression of an even number

5. 90°
the third side
inscribed angle
right angle
Axioms

6. (x+y) (x-y)
x²-y²
equal to the sum of the measures of the remote exterior angles
odd
x+y/xy

7. x/100
x%
belongs to
parallel
similar triangles

8. Volume= 4/3?r² surface area= 4?r²
sphere
vertical angles
Axioms
equilateral triangle

9. ?
area of a triangle
equal
midpoint of a line segment joining 2 parts
or

10. All even numbers end in the digits of
(y-x/x)100
0 - 2 - 4 - 6 - 8
all acute angles are equal and all obtuse angles are equal
isosceles triangle

11. Area= l x w perimeter = (2l)(2w)
even
hemisphere
rectangle
1.4

12. B²-4ac = 0 there is
3.16
one solution
c x (john'S age)
expression of an odd number

13. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
x²-y²
percent
find the intersection of two sets
perpendicular

14. 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.
central angle
triangle
percent
x+y/xy

15. x(y+z)
xy + xz
the last three numbers are divisible by 8
determining if a number is prime
b+d>c+e

16. x>z
x>y and y>z
±vx
closed set
a set

17. Ax= by + C
always positive or zero
relation
approx sums
simultaneous equations in 2 unknowns

18. 1/x + 1/y x -y ? 0
x+y/xy
area of a triangle
finding the union of sets
a set

19. If ?B > ?A - then
then side b > side a
inscribed angle
x + y
x and y

20. The difference between x and y
implies
when finding a solution set
x - y
null set

21. The sum of any two sides of a triangle is greater than
x intercept
the third side
similar triangles
x²-2xy+y²

22. When two parallel lines are crossed by a third straight line (transversal) - then
equal
approx square roots
x+y/xy
all acute angles are equal and all obtuse angles are equal

23. Is the relation with ALL ordered pairs REVERSED.
inverse of a relation
equal to the sum of the measures of the remote exterior angles
parallel
similar triangles

24. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
simultaneous equations
diagonal of a square
x+y/xy
it is also divisible by 2 and 3

25. N= combinations taken (order does not matter) r= rate at a time nCr or C(n -r) = (n)!/(r)! (remember to cancel out common numbers)
the last digit is 0
combinations
find the intersection of two sets
two solutions

26. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
(y-x/x)100
expression of an odd number
vertical angles
a relation is a function

27. The decrease from x to y
properties of a rhombus
x-y
the last two digits of the number make a number that is divisible by 4
if the last digit of the number is 0 -2 -4 -6 -8

28. N is what % of m
diagonal of a square
x>y
n= mx/100
the perpendicular distance

29. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
triangle
average
distributive axiom
Axioms

30. Of
right triangle
consistent lines
x + y
times

31. 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.
right triangle
is a subset of
all acute angles are equal and all obtuse angles are equal
medians of a triangle

32. If b²-4ac < 0 - there are
no solutions
coinciding lines
if the last digit of the number is 0 -2 -4 -6 -8
triangle

33. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
1.7
probability
rectangle
isosceles triangle

34. A<x and x<b
closed set
odd
a<x<b
right triangle

35. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
inconsistent lines
expression of an odd number
equal to the slope of the other
diameter of circle

36. Between 180° and 360°
never divide by zero
xy + xz
reflex angle
right triangle

37. Wx>wy
w>0 and x>y
xy-xz
cube
one solution

38. 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
x - y
properties of parallelograms
approx products
similar triangles

39. Volume= e(edge)³ surface area= 6e²
any variable
rectangle
cube
a

40. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
belongs to
quadratic equations
the sum of parts
the perpendicular distance

41. ?
right triangle
and
positive
the third side

42. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
probability
and
x²-y²

43. 1-1-v2 (90-45-45)
the last digit is 0
right triangle
x + y
x and y

44. Any integer is divisible by 8 if
distributive axiom
the last three numbers are divisible by 8
1/2
right triangle

45. (x-y)(x-y) = (x-y)²
the percent of increase
similar triangles
belongs to
x²-2xy+y²

46. The increase from x to y
v2/2 or .71
y-x
commutative axiom of addition and multiplication
n= mx/100

47. The product of x and y
determining if a number is prime
c x (john'S age)
360 degrees
xy

48. Is the set of the second components of the ordered pairs
odd
the sum of its digits is divisible by 3
medians of a triangle
range of a relation

49. Side a +side b of a ? is
even
greater than c
obtuse angle
right triangle

50. (amount of decrease/original amount) x 100
negative
the third side
the percent of decrease
diagonal of a square