SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. 3-4-5
isosceles
y angle< x angle
right triangle
triangle
2. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
sphere
hemisphere
times
probability
3. 180°
triangle or straight line
the sum of parts
perpendicular bisectors
tangent
4. Wx>wy
slope of a line joining two points
odd
w>0 and x>y
equals
5. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
area of a triangle
distributive axiom
acute angle
permutations
6. Then their intersection is the null or empty set - written as Ø
y intercept
acute angle
if two sets have no elements in common
equilateral triangle
7. When two parallel lines are crossed by a third straight line (transversal) - then
y-x
relation
all acute angles are equal and all obtuse angles are equal
x-y
8. M= y2-y1/x2-x1
acute angle
slope of a line joining two points
perpendicular bisectors
right triangle
9. (sum of individual quantities or measures/ total number of quantities or measures)
cylinder
diameter
v(x2-x1)²+ (y2-y1)²
average
10. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
1.7
or
parallel
cylinder
11. Area= 1/2bh perimeter= a+b+c
set
medians of a triangle
triangle
n percent less than x
12. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
right triangle
odd
xy + xz
greater than c
13. y years from now
+y
expression of an even number
solution set
xy>0
14. The point where the line crosses the x-axis - y will always = 0 in this case
finding the union of sets
triangle or straight line
diagonal of a square
x intercept
15. The angles opposite to sides that are equal in length have
x - y
properties of parallelograms
solution set
equal angles
16. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
any variable
is a subset of
equilateral triangle
vertical angles
17. All three sides and all three angles are equal
distributive axiom
all acute angles are equal and all obtuse angles are equal
equilateral triangle
the sum of its digits is divisible by 3
18. Any number squared or raised to an even power is
diameter
the sum of its digits is divisible by 9
always positive or zero
closed set
19. V2/2- v2/2 - 1 (90-45-45)
commutative axiom of addition and multiplication
perpendicular bisectors
right triangle
isosceles triangle
20. If the each element of the domain occurs only once as a FIRST component
isosceles triangle
a side< b side
b+d>c+e
a relation is a function
21. 1/y-1/x x -y ? 0
v(x2-x1)²+ (y2-y1)²
set
polygon
x-y/xy
22. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
right triangle
the percent of decrease
find the intersection of two sets
odd
23. (amount of increase/original amount) x 100
the percent of increase
cylinder
a relation is a function
the perpendicular distance
24. The point where the line crosses the y-axis - x will always = 0 in this case
angle inscribed in semicircle
right triangle
right angle
y intercept
25. 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 -
determining if a number is prime
x<0 and z=x+y
x<0
even
26. In a triangle - the greatest angles lies
coinciding lines
opposite the greatest side
+y
if the last digit of the number is 0 -2 -4 -6 -8
27. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}
similar triangles
xy-xz
when finding a solution set
positive
28. 3(4+1)= 3 x 4 + 3 x 1
distributive axiom
a+b+d=c+d
hexagon
coinciding lines
29. ?
x>y>0 and w>z>0
opposite the greatest side
belongs to
then side b > side a
30. x +z > y+z
x>y
(x/100)m= n
inscribed angle
the third side
31. x younger than y
standard deviation
similar triangles
x - y
n percent less than x
32. 1-1-1 (60-60-60)
domain of a relation
rectangular solid
all acute angles are equal and all obtuse angles are equal
equilateral triangle
33. If an equation can be put into the form y= mx +b - then
b is the y-intercept
then side b > side a
angle bisector
x<0
34. x + y
x - y
n percent greater than x
x and y
x is less than y
35. x>0 and y<0 or x<0 and y >0
x>y>0 and w>z>0
xy< 0
trapezoid
the sum of its digits is divisible by 3
36. Any integer is divisible by 8 if
isosceles triangle
range of a relation
the last three numbers are divisible by 8
b+d>c+e
37. Sum of an odd and an even number is
odd
x and y
central angle
n= mx/100
38. The sume of x and y
the percent of decrease
find the intersection of two sets
radius of a circle
x + y
39. Side a +side b of a ? is
a+b+d=c+d
cube
right triangle
greater than c
40. Ax= by + C
y angle< x angle
radius
simultaneous equations in 2 unknowns
average
41. R²
x + y
times
combinations
diameter of circle
42. Sin 60°
the percent of decrease
v3/2 or .87
the last three numbers are divisible by 8
-y
43. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
a relation is a function
commutative axiom of addition and multiplication
the sum of its digits is divisible by 9
quadratic equations
44. Volume= 4/3?r² surface area= 4?r²
combinations
find the intersection of two sets
obtuse angle
sphere
45. Which - what
parallel
1.7
n percent less than x
any variable
46. 1-1-v2 (90-45-45)
circle
properties of a rhombus
x + y
right triangle
47. Sin 30°
1/2
the percent of decrease
(x-y/x)100
null set
48. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.
medians of a triangle
similar triangles
properties of a rectangle
hexagon
49. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.
equals
n percent less than x
polygon
probability
50. Set of solutions to an equation
solution set
diagonal of a square
diameter
equals