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. Volume=lwh surface area= 2wh + 2hl + 2lw
no solutions
rectangular solid
diameter of circle
distributive axiom
2. Wx>wy
w>0 and x>y
sphere
positive
negative reciprocal of the other
3. V3
pythagorean theorem
positive
x>y and y>z
1.7
4. 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
one solution
x+y/xy
approx sums
itself
5. ? if a side < b side - then
angle
y angle< x angle
angle a and angle b = angle d
midpoint of a line segment joining 2 parts
6. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
reflex angle
finding the union of sets
quadratic equations
even
7. A chord through the center of the circle
diameter
(x/100)m= n
and
x-y/xy
8. xn<0 if n is odd and xn>0 if n is even
semicircle
inverse of a relation
x<0
x percent
9. The product of x and y
x>y and w>z
a relation is a function
xy
rectangular solid
10. Less than 90°
x²-2xy+y²
(y-x/x)100
equals
acute angle
11. x²
the square of x
n percent greater than x
radius
finding the union of sets
12. V2
simultaneous equations in 2 unknowns
1.4
x>y and w>z
triangle or straight line
13. 9-40-41
equal
(y-x/x)100
right triangle
y intercept
14. The product of an even number of negative numbers is
x>y and w>z
odd
positive
one solution
15. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.
medians of a triangle
consistent lines
sphere
implies
16. x>0 and y<0 or x<0 and y >0
approx square roots
triangle
a
xy< 0
17. The quotient of any quantity (except 0) divided by zero is infinity
1.7
never divide by zero
range of a relation
equal
18. 1-1-v2 (90-45-45)
right triangle
all acute angles are equal and all obtuse angles are equal
or
the perpendicular distance
19. Area= bh perimeter= 2a +2b
standard deviation
parallelogram
approx products
consistent lines
20. If the base angles of a triangle are equal - the triangle is
n percent less than x
3.16
w>0 and x>y
isosceles
21. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
xy< 0
the sum of its digits is divisible by 3
expression of an odd number
trapezoid
22. 3-4-5
right triangle
any variable
trapezoid
a side< b side
23. x > y or y< x
midpoint of a line segment joining 2 parts
x is greater than y
domain of a relation
solution set
24. 1/y-1/x x -y ? 0
x-y/xy
set
central angle
x>y>0 and w>z>0
25. 1/2d
when finding a solution set
regular polygon properties
radius of a circle
right triangle
26. Any integer is divisible by 9 - if
the sum of its digits is divisible by 9
right triangle
even
-y
27. Sin 60°
similar triangles
x is greater than y
v3/2 or .87
±vx
28. 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
is a subset of
finding the union of sets
implies
29. Any integer is divisible by 6 if
it is also divisible by 2 and 3
w>0 and x>y
equilateral triangle
and
30. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
expression of an even number
even
permutations
a side< b side
31. 1-1-1 (60-60-60)
equilateral triangle
n percent greater than x
closed set
the sum of its digits is divisible by 3
32. 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
right triangle
finding the union of sets
reflex angle
x + y
33. x + (n/100)x
odd
n percent greater than x
consistent lines
the sum of its digits is divisible by 3
34. 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
approx square roots
midpoint of a line segment joining 2 parts
equal
a?n
35. A°
find the intersection of two sets
standard deviation
1
3.16
36. Volume= 4/3?r² surface area= 4?r²
a<x<b
sphere
angle
even
37. Angles directly across each other are equal
similar triangles
x + y
vertical angles
the percent of decrease
38. Is - as - was - has - cost
itself
x - y
equals
similar triangles
39. If b²-4ac > 0 there are
a side< b side
w<0 and x>y
two solutions
altitude of a triangle
40. In transversals
all acute angles are equal and all obtuse angles are equal
when finding a solution set
inconsistent lines
similar triangles
41. The sum of any two sides of a triangle is greater than
medians of a triangle
x - y
the third side
even
42. Is the relation with ALL ordered pairs REVERSED.
itself
angle a and angle b = angle d
inverse of a relation
it is also divisible by 2 and 3
43. The decrease from x to y
the last two digits of the number make a number that is divisible by 4
y-x
x-y
sphere
44. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
a?n
v3/2 or .87
isosceles triangle
a+b+d=c+d
45. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
1.7
semicircle
approx products
the last three numbers are divisible by 8
46. Which - what
any variable
all acute angles are equal and all obtuse angles are equal
x<0
x percent
47. Sum of two odd numbers is
area of a triangle
right triangle
even
the last digit is 0
48. Any line that connects two points on a circle.
x + y
finding the union of sets
chord
angle inscribed in semicircle
49. 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}
quadratic equations
it is also divisible by 2 and 3
when finding a solution set
angle inscribed in semicircle
50. If an equation can be put into the form y= mx +b - then
b is the y-intercept
rectangle
implies
right angle