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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. Any integer is divisible by 5 if
the last digit is either 0 or 5
all acute angles are equal and all obtuse angles are equal
right triangle
polygon

2. V3
1.7
inscribed angle
average
parallelogram

3. y<x
xy-xz
x>y
a?n
x - y

4. Sin 45°
v2/2 or .71
x>y
y-x
isosceles

5. Volume=lwh surface area= 2wh + 2hl + 2lw
tangent
rectangular solid
x<0
the last digit is 0

6. Wx<wy
odd
inverse of a relation
the last digit is 0
w<0 and x>y

7. One angle is equal 90° and the other two angles are equal to the sum of 90°
angle inscribed in semicircle
cube
right triangle
square

8. z>y
x<0 and z=x+y
hemisphere
is a subset of
equal to the sum of the measures of the remote exterior angles

9. 1-v3- 2 (90-30-60)
right triangle
belongs to
perpendicular bisectors
xy

10. (x-y)(x-y) = (x-y)²
coinciding lines
x²-2xy+y²
properties of a square
one solution

11. 1/an
xy + xz
equal to the sum of the measures of the remote exterior angles
a?n
angle

12. In transversals
equilateral triangle
all acute angles are equal and all obtuse angles are equal
v(x2-x1)²+ (y2-y1)²
angle a and angle b = angle d

13. Diagonals are perpendicular to each other and bisect the vertex angles 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 diagonal
approx square roots
properties of a rhombus
x²-2xy+y²
1 - 3 - 5 - 7 - 9

14. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
negative
rectangular solid
set
consistent lines

15. x +z > y+z
x>y
3.16
(x-y/x)100
inverse of a relation

16. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.
angle bisector
isosceles
xy< 0
approx products

17. A/A¹ = B/B¹= C/C¹
x<0 and z=x+y
regular polygon properties
similar triangles
x - y

18. 2k + 1
expression of an odd number
always positive or zero
area of a triangle
(x/100)m= n

19. The percent decrease from x to y ( y<x)
w<0 and x>y
1.7
square
(x-y/x)100

20. x > y or y< x
x is greater than y
the sum of its digits is divisible by 3
xy-xz
odd

21. /100 (the ______ number over 100)
1
percent
hexagon
x%

22. | |
parallel
expression of an even number
360 degrees
similar triangles

23. A°
acute angle
properties of a square
+y
1

24. Any integer is divisible by 3 - if
x - y
the sum of its digits is divisible by 3
rectangular solid
x>y

25. What % of m is n
cylinder
(x/100)m= n
right triangle
right triangle

26. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.
rectangle
hexagon
finding the union of sets
simultaneous equations in 2 unknowns

27. 8-15-17
right triangle
(y-x/x)100
similar triangles
approx sums

28. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
v(x2-x1)²+ (y2-y1)²
x intercept
two solutions
supplementary angles

29. Is a subset of every set
null set
rectangle
xy>0
the last digit is 0

30. x(y-z)
xy-xz
isosceles
x%
angle bisector

31. 1. round each number being added to one more place than it is being asked. 2. add the rounded numbers. 3. round off the sum to the desired number of places
x+y/xy
even
angle a and angle b = angle d
approx sums

32. Between 90° and 180°
1
obtuse angle
odd
the sum of parts

33. B²-4ac = 0 there is
isosceles
one solution
solution set
xy

34. Sum of two odd numbers is
vertical angles
parallel
even
diameter of circle

35. Intersect at only one point - the point is the only solution to the pair of equations
xy + xz
the last digit is 0
consistent lines
the last digit is either 0 or 5

36. (amount of decrease/original amount) x 100
isosceles triangle
the percent of decrease
x<0 and z=x+y
the perpendicular distance

37. A line that is perpendicular to a radius and that passes through only one point of the circle.
tangent
relation
the last three numbers are divisible by 8
c x (john'S age)

38. (x+y) (x-y)
a?n
domain of a relation
equal
x²-y²

39. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -
determining if a number is prime
xy>0
the percent of decrease
equilateral triangle

40. 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
x>y
approx products
cylinder
n= mx/100

41. Angles that equal 180 degrees
0 - 2 - 4 - 6 - 8
right triangle
supplementary angles
diameter of circle

42. The angles opposite to sides that are equal in length have
a relation is a function
equal angles
x+y/xy
solution set

43. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
3.16
combinations
properties of parallelograms
Axioms

44. C²= a²+b² and angle x and y are equal to 90°
right triangle
a side< b side
the percent of increase
closed set

45. Wx>wy
diagonal of a square
acute angle
and
w>0 and x>y

46. Any number squared or raised to an even power is
average
all acute angles are equal and all obtuse angles are equal
always positive or zero
hemisphere

47. The distance from the center of the circle
b is the y-intercept
radius
x>y
consistent lines

48. Set of solutions to an equation
reflex angle
right triangle
solution set
distributive axiom

49. 3(4+1)= 3 x 4 + 3 x 1
right triangle
n percent less than x
distributive axiom
equilateral triangle

50. 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
3.16
greater than c
determining if a number is prime