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GRE Math Strategies

Subjects : gre, math

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. 7-24-25
properties of a rectangle
or
x<0 and z=x+y
right triangle

2. If b²-4ac < 0 - there are
360 degrees
the last two digits of the number make a number that is divisible by 4
times
no solutions

3. Wx<wy
the square of x
any variable
w<0 and x>y
1.4

4. 1-1-v2 (90-45-45)
commutative axiom of addition and multiplication
1 - 3 - 5 - 7 - 9
implies
right triangle

5. 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
all acute angles are equal and all obtuse angles are equal
positive
angle a and angle b = angle d
approx sums

6. R²
inverse of a relation
rectangle
diameter of circle
-y

7. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.
positive
22/7 or 3.14
perpendicular bisectors
odd

8. In a triangle - the greatest angles lies
percent
opposite the greatest side
quadratic equations
is a subset of

9. If the each element of the domain occurs only once as a FIRST component
a relation is a function
right triangle
acute angle
x²-y²

10. The percent increase from x to y (y>x)
even
(y-x/x)100
-y
all acute angles are equal and all obtuse angles are equal

11. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
standard deviation
solution set
relation

12. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
cylinder
set
a+b+d=c+d
associative axiom of addition and multiplication

13. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
quadratic equations
x is greater than y
+y
approx sums

14. Is a subset of every set
inverse of a relation
trapezoid
commutative axiom of addition and multiplication
null set

15. N is what % of m
quadratic equations
n= mx/100
hexagon
the sum of parts

16. y years from now
the sum of parts
+y
v(x2-x1)²+ (y2-y1)²
the last three numbers are divisible by 8

17. /100 (the ______ number over 100)
percent
even
sphere
x>y

18. ? if a side < b side - then
y angle< x angle
similar triangles
probability
y-x

19. Set of solutions to an equation
inverse of a relation
properties of a rhombus
solution set
x>y

20. Intersect at only one point - the point is the only solution to the pair of equations
w<0 and x>y
consistent lines
n percent greater than x
inconsistent lines

21. xn<0 if n is odd and xn>0 if n is even
cube
negative
even
x<0

22. x>z
permutations
radius
x is greater than y
x>y and y>z

23. V3
right triangle
trapezoid
x is greater than y
1.7

24. Angles directly across each other are equal
vertical angles
the sum of its digits is divisible by 3
opposite the greatest side
properties of a rhombus

25. When the elements of a set are ordered pairs
22/7 or 3.14
x²-2xy+y²
x and y
relation

26. Any integer is divisible by 5 if
it is also divisible by 2 and 3
right triangle
the last three numbers are divisible by 8
the last digit is either 0 or 5

27. 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
right triangle
x>y and y>z
quadratic equations
inscribed angle

28. Area= 1/2bh perimeter= a+b+c
triangle
even
right triangle
parallelogram

29. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both
medians of a triangle
closed set
all acute angles are equal and all obtuse angles are equal
coinciding lines

30. B²-4ac = 0 there is
perpendicular bisectors
equal
y angle< x angle
one solution

31. A subset of a set is
coinciding lines
semicircle
a set
approx square roots

32. ?
x is greater than y
22/7 or 3.14
0 - 2 - 4 - 6 - 8
the square of x

33. All three sides and all three angles are equal
x + y
equilateral triangle
(x/100)m= n
even

34. z>y
v2/2 or .71
quadratic equations
similar triangles
x<0 and z=x+y

35. x/100
(x/100)m= n
simultaneous equations
triangle or straight line
x%

36. Product of two odd numbers is
x>y
angle a and angle b = angle d
odd
a set

37. Area= s² perimeter= 4s
square
hexagon
any variable
the last three numbers are divisible by 8

38. The point where the line crosses the x-axis - y will always = 0 in this case
x intercept
180 degrees
expression of an odd number
isosceles triangle

39. Any number squared or raised to an even power is
always positive or zero
a set
odd
itself

40. Is the set of the first components of the ordered pairs.
rectangle
x-y/xy
hexagon
domain of a relation

41. x(y+z)
combinations
xy + xz
perpendicular
-y

42. Product of an even number and any other number is
angle bisector
even
xy< 0
vertical angles

43. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
trapezoid
closed set
inverse of a relation
x-y/xy

44. 8-15-17
domain of a relation
midpoint of a line segment joining 2 parts
the last digit is either 0 or 5
right triangle

45. 180°
acute angle
determining if a number is prime
straight angle
negative reciprocal of the other

46. ?
pythagorean theorem
right angle
itself
belongs to

47. Any integer is divisible by 9 - if
x percent
simultaneous equations in 2 unknowns
the sum of its digits is divisible by 9
n= mx/100

48. A<x and x<b
acute angle
polygon
angle inscribed in semicircle
a<x<b

49. Any integer is divisible by 4 - if
coinciding lines
times
itself
the last two digits of the number make a number that is divisible by 4

50. Of
times
right triangle
midpoint of a line segment joining 2 parts
odd

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GRE Math Strategies

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