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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. (x-y)(x-y) = (x-y)²
x²-2xy+y²
combinations
isosceles
v2/2 or .71

2. xw> yz
x>y>0 and w>z>0
a set
similar triangles
and

3. V3
and
x>y
1.7
180 degrees

4. Any integer is divisible by 8 if
the last three numbers are divisible by 8
n= mx/100
x<0 and z=x+y
x + y

5. x²
all acute angles are equal and all obtuse angles are equal
altitude of a triangle
distributive axiom
the square of x

6. 1/y-1/x x -y ? 0
greater than c
is a subset of
x-y/xy
x²-y²

7. ?
w>0 and x>y
y-x
belongs to
equilateral triangle

8. 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*)
closed set
right triangle
times
even

9. C times as old as john

10. Sum of two odd numbers is
parallel
angle inscribed in semicircle
the perpendicular distance
even

11. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
right angle
isosceles triangle
even
x + y

12. The product of x and y
equilateral triangle
1.7
xy
triangle

13. Any arc length is less than
it is also divisible by 2 and 3
closed set
360 degrees
y-x

14. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
associative axiom of addition and multiplication
Axioms
negative
n percent greater than x

15. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
vertical angles
the third side
xy + xz
equilateral triangle

16. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
right triangle
1/2
y angle< x angle
inconsistent lines

17. x less than y
a?n
y-x
v(x2-x1)²+ (y2-y1)²
even

18. Is the relation with ALL ordered pairs REVERSED.
inverse of a relation
right angle
(x-y/x)100
1.7

19. Less than 90°
equilateral triangle
circle
x>y
acute angle

20. Wx<wy
it is also divisible by 2 and 3
quadratic equations
w<0 and x>y
probability

21. A line that is perpendicular to a radius and that passes through only one point of the circle.
tangent
reflex angle
angle inscribed in semicircle
the last two digits of the number make a number that is divisible by 4

22. 5-12-13
right triangle
a relation is a function
hemisphere
greater than c

23. Set of solutions to an equation
finding the union of sets
even
solution set
a?n

24. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B
itself
circle
finding the union of sets
odd

25. Volume= 4/3?r² surface area= 4?r²
and
right triangle
sphere
x>y>0 and w>z>0

26. 1-1-v2 (90-45-45)
odd
right triangle
v(x2-x1)²+ (y2-y1)²
two solutions

27. x more than y
1 - 3 - 5 - 7 - 9
one solution
belongs to
x + y

28. x + y
x and y
right triangle
the last digit is either 0 or 5
find the intersection of two sets

29. (x+y) (x-y)
times
the third side
right triangle
x²-y²

30. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
360 degrees
simultaneous equations
perpendicular
central angle

31. 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)
times
combinations
a set
commutative axiom of addition and multiplication

32. The decrease from x to y
cube
the sum of parts
x-y
right angle

33. y<x
isosceles triangle
x>y
x + y
xy-xz

34. Volume=lwh surface area= 2wh + 2hl + 2lw
a side< b side
1/2
opposite the greatest side
rectangular solid

35. If b²-4ac > 0 there are
the last digit is 0
±vx
two solutions
angle bisector

36. Volume= e(edge)³ surface area= 6e²
parallelogram
v(x2-x1)²+ (y2-y1)²
x+y/xy
cube

37. ?
circle
average
perpendicular
the perpendicular distance

38. The difference between x and y
x - y
n= mx/100
reflex angle
properties of a square

39. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
polygon
midpoint of a line segment joining 2 parts
a
distributive axiom

40. Is - as - was - has - cost
area of a triangle
y intercept
equals
rectangular solid

41. Sin 60°
n percent greater than x
v3/2 or .87
circle
approx sums

42. The percent increase from x to y (y>x)
equal
(y-x/x)100
greater than c
n percent greater than x

43. Sum of two even numbers is
cube
right triangle
even
x intercept

44. V2
properties of a square
triangle or straight line
1.4
acute angle

45. z>y
medians of a triangle
x<0 and z=x+y
triangle or straight line
x - y

46. 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
itself
right angle
triangle

47. x older than y
right triangle
x + y
radius of a circle
odd

48. 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.
the perpendicular distance
coinciding lines
regular polygon properties
find the intersection of two sets

49. Every set is a subset of
positive
similar triangles
triangle or straight line
itself

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
v3/2 or .87
right angle
approx products
cube