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Test your basic knowledge |
GRE Math Strategies
Start Test
Study First
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. A subset of a set is
a set
0 - 2 - 4 - 6 - 8
odd
solution set
2. Wx<wy
y-x
right triangle
w<0 and x>y
x + y
3. Is the set of the second components of the ordered pairs
the last three numbers are divisible by 8
circle
even
range of a relation
4. A<x and x<b
all acute angles are equal and all obtuse angles are equal
a<x<b
v(x2-x1)²+ (y2-y1)²
1/2
5. 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.
x%
x>y and w>z
angle bisector
x>y
6. If the base angles of a triangle are equal - the triangle is
isosceles
and
inscribed angle
opposite the greatest side
7. Angles that equal 180 degrees
x - y
isosceles triangle
x²-y²
supplementary angles
8. 180°
one solution
itself
simultaneous equations
triangle or straight line
9. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
positive
central angle
expression of an even number
set
10. The sume of x and y
xy
x + y
xy>0
right triangle
11. B²-4ac = 0 there is
even
one solution
360 degrees
-y
12. 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
equal angles
never divide by zero
inscribed angle
properties of a rhombus
13. ? if a side is equal to b side then - the opposite corresponding angles are
equal
trapezoid
perpendicular
right triangle
14. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
vertical angles
triangle or straight line
hemisphere
semicircle
15. y years ago
properties of a rhombus
-y
altitude of a triangle
similar triangles
16. 8-15-17
1 - 3 - 5 - 7 - 9
right triangle
x%
approx sums
17. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
simultaneous equations
equilateral triangle
xy< 0
even
18. x +z > y+z
pythagorean theorem
x-y/xy
equal angles
x>y
19. Of
a side< b side
isosceles triangle
times
a
20. Integer is divisible by 2
distributive axiom
if the last digit of the number is 0 -2 -4 -6 -8
the last digit is either 0 or 5
hemisphere
21. x + y
circle
x and y
probability
1 - 3 - 5 - 7 - 9
22. | |
n percent greater than x
v(x2-x1)²+ (y2-y1)²
(x/100)m= n
parallel
23. Then their intersection is the null or empty set - written as Ø
if two sets have no elements in common
x is less than y
even
rectangular solid
24. 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
x>y and w>z
odd
approx square roots
y-x
25. Any integer is divisible by 4 - if
square
xy-xz
the last two digits of the number make a number that is divisible by 4
determining if a number is prime
26. Area = ?r² circumference(perimeter)= 2?r
radius
v(x2-x1)²+ (y2-y1)²
circle
obtuse angle
27. ?
v(x2-x1)²+ (y2-y1)²
belongs to
the perpendicular distance
right triangle
28. 1-1-1 (60-60-60)
1.7
all acute angles are equal and all obtuse angles are equal
b+d>c+e
equilateral triangle
29. The percent increase from x to y (y>x)
the last two digits of the number make a number that is divisible by 4
always positive or zero
isosceles
(y-x/x)100
30. 9-40-41
times
right triangle
percent
a side< b side
31. 5-12-13
right triangle
x>y and y>z
the last three numbers are divisible by 8
obtuse angle
32. ?if y angle< x angle - then
properties of parallelograms
a side< b side
the last three numbers are divisible by 8
set
33. xn<0 if n is odd and xn>0 if n is even
1.7
x<0
consistent lines
or
34. 1-v3- 2 (90-30-60)
permutations
right triangle
standard deviation
supplementary angles
35. x>z
x>y and y>z
v(x2-x1)²+ (y2-y1)²
percent
opposite the greatest side
36. Any integer is divisible by 9 - if
the percent of increase
expression of an even number
the sum of its digits is divisible by 9
when finding a solution set
37. One angle is equal 90° and the other two angles are equal to the sum of 90°
right triangle
x<0 and z=x+y
1.7
negative reciprocal of the other
38. Any integer is divisible by 8 if
equilateral triangle
(x/100)m= n
permutations
the last three numbers are divisible by 8
39. Set of solutions to an equation
1 - 3 - 5 - 7 - 9
range of a relation
combinations
solution set
40. The whole equals
if the last digit of the number is 0 -2 -4 -6 -8
vertical angles
the sum of parts
average
41. 2k
approx sums
expression of an even number
diagonal of a square
circle
42. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
percent
v(x2-x1)²+ (y2-y1)²
sphere
equilateral triangle
43. (x+y) (x-y)
x²-y²
supplementary angles
1/2
360 degrees
44. Sin 30°
finding the union of sets
cylinder
any variable
1/2
45. If ?B > ?A - then
x+y/xy
simultaneous equations in 2 unknowns
standard deviation
then side b > side a
46. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)
diameter
the percent of increase
closed set
angle a and angle b = angle d
47. The quotient of any quantity (except 0) divided by zero is infinity
never divide by zero
vertical angles
hexagon
x<0 and z=x+y
48. Every set is a subset of
w>0 and x>y
itself
equal to the sum of the measures of the remote exterior angles
no solutions
49. B>c+ d>e
xy>0
x>y and y>z
the square of x
b+d>c+e
50. 180°
x²+ 2xy+y²
straight angle
the last digit is either 0 or 5
perpendicular bisectors