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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. The point where the line crosses the x-axis - y will always = 0 in this case
semicircle
the sum of parts
x>y>0 and w>z>0
x intercept

2. 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
square
equal to the sum of the measures of the remote exterior angles
finding the union of sets
the sum of its digits is divisible by 3

3. B>c+ d>e
relation
n percent greater than x
b+d>c+e
solution set

4. Any integer is divisible by 3 - if
the sum of its digits is divisible by 3
even
distributive axiom
no solutions

5. ?
x + y
associative axiom of addition and multiplication
perpendicular
equal

6. 5+3= 3+5 and 5 x 3= 3 x 5
the sum of its digits is divisible by 9
equilateral triangle
parallel
commutative axiom of addition and multiplication

7. If the each element of the domain occurs only once as a FIRST component
closed set
itself
x<0 and z=x+y
a relation is a function

8. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
polygon
pythagorean theorem
w>0 and x>y
isosceles

9. Any number squared or raised to an even power is
solution set
isosceles triangle
percent
always positive or zero

10. 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
inconsistent lines
approx square roots
vertical angles
the sum of its digits is divisible by 9

11. If ?B > ?A - then
all acute angles are equal and all obtuse angles are equal
angle
then side b > side a
hexagon

12. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
xy-xz
angle a and angle b = angle d
inconsistent lines
n percent greater than x

13. 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
x>y
coinciding lines
greater than c
x<0

14. Angles directly across each other are equal
x>y and y>z
vertical angles
n percent less than x
the last digit is 0

15. If two lines are parallel - the slope of one is
diameter of circle
perpendicular
equal to the slope of the other
±vx

16. 2k + 1
1.4
it is also divisible by 2 and 3
expression of an odd number
find the intersection of two sets

17. x more than y
regular polygon properties
xy>0
finding the union of sets
x + y

18. What % of m is n
vertical angles
all acute angles are equal and all obtuse angles are equal
(x/100)m= n
x>y

19. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
the percent of decrease
approx products
even
v(x2-x1)²+ (y2-y1)²

20. Area= bh perimeter= 2a +2b
range of a relation
x²-2xy+y²
parallelogram
midpoint of a line segment joining 2 parts

21. x(y-z)
associative axiom of addition and multiplication
xy-xz
midpoint of a line segment joining 2 parts
x + y

22. y years from now
+y
22/7 or 3.14
inverse of a relation
if the last digit of the number is 0 -2 -4 -6 -8

23. x>z
x>y and y>z
relation
slope of a line joining two points
isosceles triangle

24. 1/2d
(x-y/x)100
regular polygon properties
combinations
radius of a circle

25. 180°
similar triangles
triangle or straight line
even
commutative axiom of addition and multiplication

26. ?
x is less than y
obtuse angle
triangle or straight line
belongs to

27. Sum of two even numbers is
itself
circle
v(x2-x1)²+ (y2-y1)²
even

28. If b²-4ac < 0 - there are
n percent less than x
if the last digit of the number is 0 -2 -4 -6 -8
probability
no solutions

29. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
distributive axiom
hemisphere
(x-y/x)100
parallel

30. 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
(y-x/x)100
properties of parallelograms
1
inscribed angle

31. Less than 90°
properties of parallelograms
Axioms
acute angle
midpoint of a line segment joining 2 parts

32. The percent decrease from x to y ( y<x)
diameter of circle
null set
(x-y/x)100
approx products

33. Two tangents to a circle from the same point outside of the circle are always
triangle
the square of x
equal
greater than c

34. Sum of two odd numbers is
properties of parallelograms
even
domain of a relation
always positive or zero

35. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
v3/2 or .87
x>y and w>z
right triangle

36. All odd numbers end in the digits of
w>0 and x>y
1 - 3 - 5 - 7 - 9
circle
n percent less than x

37. V2
1.4
triangle
vertical angles
isosceles triangle

38. xw> yz
altitude of a triangle
xy
itself
x>y>0 and w>z>0

39. Of
always positive or zero
combinations
w<0 and x>y
times

40. x + y
the square of x
polygon
x and y
square

41. The product of an odd number of negative numbers is
a?n
implies
negative
never divide by zero

42. If an equation can be put into the form y= mx +b - then
equals
b is the y-intercept
midpoint of a line segment joining 2 parts
xy + xz

43. 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.
acute angle
diameter of circle
xy-xz
regular polygon properties

44. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result
standard deviation
right triangle
equal to the sum of the measures of the remote exterior angles
inverse of a relation

45. x > y or y< x
equilateral triangle
finding the union of sets
if the last digit of the number is 0 -2 -4 -6 -8
x is greater than y

46. Area= l x w perimeter = (2l)(2w)
medians of a triangle
x²-y²
angle a and angle b = angle d
rectangle

47. x/100
the sum of parts
x%
v(x2-x1)²+ (y2-y1)²
inverse of a relation

48. Is the set of the second components of the ordered pairs
x²-y²
slope of a line joining two points
range of a relation
angle

49. Ax= by + C
the percent of decrease
central angle
simultaneous equations in 2 unknowns
x - y

50. Area= 1/2bh perimeter= a+b+c
right triangle
triangle
x%
diagonal of a square