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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. The product of an odd number of negative numbers is
reflex angle
negative
1.4
two solutions
2. x > y or y< x
permutations
straight angle
obtuse angle
x is greater than y
3. Set of solutions to an equation
altitude of a triangle
y angle< x angle
inconsistent lines
solution set
4. 5-12-13
any variable
right triangle
it is also divisible by 2 and 3
rectangle
5. V2/2- v2/2 - 1 (90-45-45)
medians of a triangle
negative
isosceles triangle
x + y
6. x less than y
belongs to
y-x
vertical angles
diameter
7. Sin 45°
simultaneous equations in 2 unknowns
x-y/xy
v2/2 or .71
acute angle
8. A chord through the center of the circle
a relation is a function
w<0 and x>y
n percent greater than x
diameter
9. A subset of a set is
right triangle
any variable
a set
standard deviation
10. | |
percent
parallel
xy
angle bisector
11. ?
never divide by zero
y-x
area of a triangle
and
12. Any integer is divisible by 4 - if
the last two digits of the number make a number that is divisible by 4
x²-2xy+y²
simultaneous equations
expression of an even number
13. 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 percent
determining if a number is prime
the sum of parts
isosceles triangle
14. (sum of individual quantities or measures/ total number of quantities or measures)
average
xy>0
rectangular solid
angle bisector
15. Product of an even number and any other number is
hexagon
even
domain of a relation
right triangle
16. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
x + y
isosceles triangle
angle bisector
17. Is - as - was - has - cost
x percent
xy
±vx
equals
18. Wx>wy
v2/2 or .71
the percent of increase
w>0 and x>y
x and y
19. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
x²-2xy+y²
the last two digits of the number make a number that is divisible by 4
Axioms
altitude of a triangle
20. The product of an even number of negative numbers is
positive
the percent of increase
expression of an even number
right triangle
21. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
semicircle
acute angle
slope of a line joining two points
right triangle
22. Two tangents to a circle from the same point outside of the circle are always
x and y
equal
implies
determining if a number is prime
23. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
associative axiom of addition and multiplication
approx square roots
right triangle
perpendicular bisectors
24. If the each element of the domain occurs only once as a FIRST component
0 - 2 - 4 - 6 - 8
the percent of decrease
a relation is a function
y angle< x angle
25. Any integer is divisible by 8 if
greater than c
x - y
w>0 and x>y
the last three numbers are divisible by 8
26. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
equilateral triangle
b is the y-intercept
supplementary angles
find the intersection of two sets
27. x < y or y> x
n percent less than x
x is less than y
xy< 0
when finding a solution set
28. 8-15-17
tangent
approx products
pythagorean theorem
right triangle
29. x/100
a side< b side
relation
x percent
right triangle
30. xn<0 if n is odd and xn>0 if n is even
x<0
times
all acute angles are equal and all obtuse angles are equal
slope of a line joining two points
31. The sume of x and y
x + y
v2/2 or .71
0 - 2 - 4 - 6 - 8
y angle< x angle
32. 3(4+1)= 3 x 4 + 3 x 1
when finding a solution set
x>y>0 and w>z>0
distributive axiom
no solutions
33. A¹
angle bisector
a
standard deviation
3.16
34. x more than y
properties of a rhombus
hemisphere
belongs to
x + y
35. 9-40-41
determining if a number is prime
all acute angles are equal and all obtuse angles are equal
x-y
right triangle
36. Is always a right angle.
is a subset of
180 degrees
x²+ 2xy+y²
angle inscribed in semicircle
37. 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
odd
finding the union of sets
0 - 2 - 4 - 6 - 8
similar triangles
38. If b²-4ac < 0 - there are
trapezoid
no solutions
equilateral triangle
xy-xz
39. 2k + 1
expression of an odd number
properties of a rectangle
360 degrees
y-x
40. ?
right triangle
x<0
odd
angle
41. Then their intersection is the null or empty set - written as Ø
sphere
if two sets have no elements in common
if the last digit of the number is 0 -2 -4 -6 -8
a+b+d=c+d
42. A/A¹ = B/B¹= C/C¹
altitude of a triangle
similar triangles
itself
0 - 2 - 4 - 6 - 8
43. If b²-4ac > 0 there are
x%
two solutions
or
perpendicular
44. 1/2d
radius of a circle
x and y
reflex angle
null set
45. x older than y
negative
vertical angles
x + y
the sum of its digits is divisible by 3
46. M=number of favorable ways n= total number of ways (two events occurring is the prob of the first times the prob of the second)
probability
y intercept
right triangle
even
47. The measure of an interior angle is
x-y
positive
vertical angles
equal to the sum of the measures of the remote exterior angles
48. N is what % of m
regular polygon properties
tangent
n= mx/100
x percent
49. Between 180° and 360°
isosceles
reflex angle
inconsistent lines
combinations
50. Any integer is divisible by 5 if
angle inscribed in semicircle
chord
similar triangles
the last digit is either 0 or 5