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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. ?
right triangle
x>y>0 and w>z>0
pythagorean theorem
22/7 or 3.14

2. A¹
a
x<0
isosceles triangle
w<0 and x>y

3. x older than y
x + y
cylinder
quadratic equations
greater than c

4. The decrease from x to y
properties of a rhombus
supplementary angles
x-y
the last digit is either 0 or 5

5. Area = ?r² circumference(perimeter)= 2?r
a side< b side
circle
angle
it is also divisible by 2 and 3

6. ?if y angle< x angle - then
negative
percent
v(x2-x1)²+ (y2-y1)²
a side< b side

7. x>0 and y<0 or x<0 and y >0
Axioms
xy
rectangle
xy< 0

8. x/100
tangent
x%
x>y
one solution

9. x - (n/100)x
closed set
y-x
diagonal of a square
n percent less than x

10. 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 -
(x-y/x)100
the last digit is either 0 or 5
altitude of a triangle
determining if a number is prime

11. A line that is perpendicular to a radius and that passes through only one point of the circle.
opposite the greatest side
tangent
angle a and angle b = angle d
x>y

12. x+w> y+z
one solution
x>y and w>z
a<x<b
never divide by zero

13. Any integer is divisible by 6 if
regular polygon properties
it is also divisible by 2 and 3
a side< b side
similar triangles

14. A/A¹ = B/B¹= C/C¹
xy-xz
similar triangles
approx sums
central angle

15. 1/2d
expression of an even number
when finding a solution set
vertical angles
radius of a circle

16. y years from now
combinations
approx products
all acute angles are equal and all obtuse angles are equal
+y

17. The product of an even number of negative numbers is
positive
average
w>0 and x>y
central angle

18. Less than 90°
approx sums
belongs to
x is greater than y
acute angle

19. Sin 45°
(y-x/x)100
v2/2 or .71
x percent
x and y

20. Set of solutions to an equation
right triangle
vertical angles
solution set
equilateral triangle

21. Wx>wy
w>0 and x>y
right triangle
regular polygon properties
a side< b side

22. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
n percent less than x
x+y/xy
trapezoid
positive

23. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
rectangular solid
supplementary angles
the last digit is either 0 or 5

24. Diagonal= sv2
diagonal of a square
equal
triangle
the square of x

25. 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.
+y
hemisphere
triangle
central angle

26. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
the last three numbers are divisible by 8
x>y and y>z
x percent
associative axiom of addition and multiplication

27. 1/an
inconsistent lines
x>y and y>z
x - y
a?n

28. Intersect at only one point - the point is the only solution to the pair of equations
and
xy>0
consistent lines
even

29. Is a subset of every set
c x (john'S age)
hexagon
null set
range of a relation

30. x>0 and y>0 or x<0 and y<0
if two sets have no elements in common
x<0 and z=x+y
the perpendicular distance
xy>0

31. 5-12-13
x>y>0 and w>z>0
right triangle
times
relation

32. 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.
tangent
xy
regular polygon properties
negative reciprocal of the other

33. /100 (the ______ number over 100)
regular polygon properties
x-y
percent
distributive axiom

34. The point where the line crosses the y-axis - x will always = 0 in this case
x<0 and z=x+y
x is greater than y
y intercept
equilateral triangle

35. ?
itself
angle
y-x
expression of an even number

36. The sum of any two sides of a triangle is greater than
implies
percent
probability
the third side

37. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.
properties of a rectangle
right triangle
triangle
polygon

38. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower
inscribed angle
approx square roots
(x/100)m= n
commutative axiom of addition and multiplication

39. 90°
y-x
b+d>c+e
x²-y²
right angle

40. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
diameter of circle
triangle
equilateral triangle
a side< b side

41. Volume=lwh surface area= 2wh + 2hl + 2lw
equal
3.16
expression of an even number
rectangular solid

42. Sum of two odd numbers is
rectangular solid
quadratic equations
even
x>y and y>z

43. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
square
pythagorean theorem
isosceles triangle
a set

44. Sum of an odd and an even number is
odd
1 - 3 - 5 - 7 - 9
triangle
(y-x/x)100

45. Sin 30°
equals
1.7
1/2
v3/2 or .87

46. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
inscribed angle
supplementary angles
xy + xz
midpoint of a line segment joining 2 parts

47. 7-24-25
x>y
right triangle
approx products
triangle or straight line

48. 1-1-v2 (90-45-45)
similar triangles
cylinder
even
right triangle

49. If y²= x - then y =
±vx
inconsistent lines
equilateral triangle
xy-xz

50. The measure of an interior angle is
c x (john'S age)
right triangle
n percent greater than x
equal to the sum of the measures of the remote exterior angles