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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. Is the set of the first components of the ordered pairs.
domain of a relation
never divide by zero
polygon
radius

2. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
simultaneous equations
right triangle
a+b+d=c+d
rectangle

3. The product of x and y
is a subset of
isosceles
xy
x - y

4. If ?B > ?A - then
then side b > side a
x>y
equilateral triangle
360 degrees

5. x younger than y
simultaneous equations
x - y
n percent greater than x
trapezoid

6. ?
implies
x - y
approx sums
find the intersection of two sets

7. Is - as - was - has - cost
inscribed angle
equals
expression of an even number
1

8. Any integer is divisible by 8 if
cube
it is also divisible by 2 and 3
x²-2xy+y²
the last three numbers are divisible by 8

9. x more than y
x + y
positive
the last two digits of the number make a number that is divisible by 4
times

10. Angles directly across each other are equal
0 - 2 - 4 - 6 - 8
vertical angles
standard deviation
is a subset of

11. B²-4ac = 0 there is
a<x<b
finding the union of sets
Axioms
one solution

12. 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
polygon
finding the union of sets
properties of a square
inscribed angle

13. (x-y)(x-y) = (x-y)²
x²-2xy+y²
equal to the sum of the measures of the remote exterior angles
±vx
right triangle

14. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
semicircle
x-y
angle
Axioms

15. A<x and x<b
xy< 0
equal to the slope of the other
if the last digit of the number is 0 -2 -4 -6 -8
a<x<b

16. (amount of decrease/original amount) x 100
the percent of decrease
permutations
two solutions
straight angle

17. x > y or y< x
x is greater than y
xy-xz
distributive axiom
w<0 and x>y

18. Angle whose sides are two chords. The vertex of the angles lies on the circumference of the circle. The number of degrees of the angle is equal to 1/2 the intercepted arc
percent
inscribed angle
right triangle
triangle

19. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
±vx
medians of a triangle
inconsistent lines
distributive axiom

20. Any integer is divisible by 9 - if
properties of a square
b+d>c+e
the sum of its digits is divisible by 9
equal

21. The whole equals
the sum of parts
right triangle
x + y
equal

22. The percent decrease from x to y ( y<x)
x-y/xy
closed set
+y
(x-y/x)100

23. 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
the last two digits of the number make a number that is divisible by 4
right triangle
cube

24. Area= l x w perimeter = (2l)(2w)
straight angle
v(x2-x1)²+ (y2-y1)²
pythagorean theorem
rectangle

25. Diagonal= sv2
vertical angles
straight angle
x+y/xy
diagonal of a square

26. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
range of a relation
trapezoid
isosceles

27. N is what % of m
n= mx/100
a relation is a function
never divide by zero
isosceles triangle

28. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
vertical angles
x>y and y>z
angle inscribed in semicircle
all acute angles are equal and all obtuse angles are equal

29. The angles opposite to sides that are equal in length have
vertical angles
average
equal angles
x+y/xy

30. ?
v(x2-x1)²+ (y2-y1)²
right triangle
or
x percent

31. C times as old as john

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32. 1-1-v2 (90-45-45)
right triangle
1
odd
equals

33. xw> yz
x>y and y>z
x>y>0 and w>z>0
equals
(x-y/x)100

34. Angles that equal 180 degrees
sphere
approx square roots
x-y
supplementary angles

35. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
permutations
tangent
properties of a rhombus
+y

36. Wx<wy
a?n
diameter of circle
w<0 and x>y
v(x2-x1)²+ (y2-y1)²

37. When the elements of a set are ordered pairs
relation
parallel
a?n
x is greater than y

38. x/100
properties of parallelograms
x%
angle
x intercept

39. The difference between x and y
right triangle
x - y
Axioms
the percent of decrease

40. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
chord
trapezoid
expression of an even number
3.16

41. If b²-4ac < 0 - there are
angle a and angle b = angle d
no solutions
properties of a rectangle
c x (john'S age)

42. All odd numbers end in the digits of
simultaneous equations
y-x
angle bisector
1 - 3 - 5 - 7 - 9

43. y years ago
equal to the slope of the other
approx products
-y
b+d>c+e

44. 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)
1
x-y/xy
probability
range of a relation

45. A¹
properties of a square
even
a
always positive or zero

46. ?
null set
equal
22/7 or 3.14
no solutions

47. Area= s² perimeter= 4s
w<0 and x>y
combinations
square
pythagorean theorem

48. x²
the square of x
a?n
x²+ 2xy+y²
+y

49. The decrease from x to y
perpendicular bisectors
x-y
equilateral triangle
perpendicular

50. Product of an even number and any other number is
cube
+y
x percent
even