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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. When two parallel lines are crossed by a third straight line (transversal) - then
1.4
relation
times
all acute angles are equal and all obtuse angles are equal

2. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
vertical angles
semicircle
two solutions
commutative axiom of addition and multiplication

3. 1/2d
perpendicular
radius of a circle
belongs to
x is less than y

4. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
equal angles
chord
diameter of circle

5. Between 180° and 360°
expression of an odd number
reflex angle
if the last digit of the number is 0 -2 -4 -6 -8
inverse of a relation

6. ?
and
equal to the sum of the measures of the remote exterior angles
x+y/xy
Axioms

7. If an equation can be put into the form y= mx +b - then
associative axiom of addition and multiplication
b is the y-intercept
1/2
approx products

8. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
angle a and angle b = angle d
Axioms
simultaneous equations in 2 unknowns
one solution

9. 180°
simultaneous equations
straight angle
closed set
x²+ 2xy+y²

10. 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.
diameter
relation
medians of a triangle
-y

11. x>0 and y>0 or x<0 and y<0
even
a side< b side
xy>0
isosceles

12. R²
w>0 and x>y
even
diameter of circle
square

13. 7-24-25
x percent
angle a and angle b = angle d
right triangle
w>0 and x>y

14. Sin 60°
right triangle
v3/2 or .87
probability
the square of x

15. x more than y
vertical angles
midpoint of a line segment joining 2 parts
x + y
never divide by zero

16. The point where the line crosses the y-axis - x will always = 0 in this case
solution set
y intercept
x is greater than y
approx square roots

17. C times as old as john

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18. Between 90° and 180°
y angle< x angle
equal to the slope of the other
obtuse angle
supplementary angles

19. Intersect at only one point - the point is the only solution to the pair of equations
consistent lines
22/7 or 3.14
cube
n percent less than x

20. Area = ?r² circumference(perimeter)= 2?r
circle
and
sphere
equal angles

21. The angles opposite to sides that are equal in length have
x intercept
rectangle
when finding a solution set
equal angles

22. Every set is a subset of
x>y>0 and w>z>0
itself
right triangle
trapezoid

23. A line that is perpendicular to a radius and that passes through only one point of the circle.
find the intersection of two sets
v2/2 or .71
properties of a rhombus
tangent

24. y<x
domain of a relation
central angle
x>y
if the last digit of the number is 0 -2 -4 -6 -8

25. 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
right triangle
xy
approx sums
angle inscribed in semicircle

26. 1/x + 1/y x -y ? 0
(x-y/x)100
reflex angle
x+y/xy
rectangle

27. x less than y
y-x
isosceles triangle
x is less than y
the percent of decrease

28. Less than 90°
equilateral triangle
1
acute angle
all acute angles are equal and all obtuse angles are equal

29. The whole equals
approx square roots
approx products
right triangle
the sum of parts

30. x - (n/100)x
diameter of circle
reflex angle
diagonal of a square
n percent less than x

31. 2k + 1
expression of an odd number
combinations
acute angle
n percent greater than x

32. N is what % of m
negative reciprocal of the other
xy< 0
no solutions
n= mx/100

33. xw> yz
consistent lines
x>y>0 and w>z>0
simultaneous equations in 2 unknowns
1

34. C²= a²+b² and angle x and y are equal to 90°
rectangular solid
right triangle
equals
right angle

35. A chord through the center of the circle
rectangular solid
simultaneous equations in 2 unknowns
c x (john'S age)
diameter

36. ?
y-x
the last digit is either 0 or 5
or
determining if a number is prime

37. The quotient of any quantity (except 0) divided by zero is infinity
right triangle
never divide by zero
vertical angles
angle bisector

38. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
1/2
all acute angles are equal and all obtuse angles are equal
trapezoid
the last digit is 0

39. (amount of increase/original amount) x 100
the percent of increase
diameter of circle
x<0 and z=x+y
angle

40. 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
xy< 0
even
inscribed angle
area of a triangle

41. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
similar triangles
right triangle
22/7 or 3.14
find the intersection of two sets

42. 90°
b+d>c+e
right angle
always positive or zero
closed set

43. ? if a side is equal to b side then - the opposite corresponding angles are
xy-xz
closed set
equal
implies

44. x < y or y> x
x is less than y
standard deviation
square
right triangle

45. A°
isosceles
even
1
probability

46. 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
simultaneous equations in 2 unknowns
pythagorean theorem
cube
approx square roots

47. V3
rectangular solid
1.7
y angle< x angle
closed set

48. 9-40-41
right triangle
altitude of a triangle
the third side
angle a and angle b = angle d

49. /100 (the ______ number over 100)
even
hexagon
tangent
percent

50. Is a subset of every set
the sum of its digits is divisible by 9
y-x
x>y
null set