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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. Sin 60°
22/7 or 3.14
all acute angles are equal and all obtuse angles are equal
null set
v3/2 or .87
2. The angles opposite to sides that are equal in length have
polygon
expression of an odd number
equal
equal angles
3. Is the set of the second components of the ordered pairs
implies
range of a relation
inverse of a relation
and
4. 3(4+1)= 3 x 4 + 3 x 1
parallelogram
it is also divisible by 2 and 3
distributive axiom
simultaneous equations in 2 unknowns
5. x²
simultaneous equations in 2 unknowns
associative axiom of addition and multiplication
finding the union of sets
the square of x
6. Product of two odd numbers is
when finding a solution set
odd
Axioms
coinciding lines
7. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
find the intersection of two sets
similar triangles
parallelogram
-y
8. 1/y-1/x x -y ? 0
x + y
a relation is a function
is a subset of
x-y/xy
9. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
two solutions
null set
parallelogram
find the intersection of two sets
10. Between 90° and 180°
360 degrees
x²-2xy+y²
properties of a rhombus
obtuse angle
11. The sum of the interior angles is
180 degrees
chord
square
acute angle
12. Area= 1/2bh perimeter= a+b+c
right triangle
triangle
and
xy
13. ?
perpendicular
set
the sum of its digits is divisible by 3
combinations
14. (amount of increase/original amount) x 100
equilateral triangle
trapezoid
22/7 or 3.14
the percent of increase
15. Any integer is divisible by 10 - if
itself
finding the union of sets
similar triangles
the last digit is 0
16. 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}
when finding a solution set
equal to the slope of the other
chord
if two sets have no elements in common
17. All even numbers end in the digits of
even
0 - 2 - 4 - 6 - 8
vertical angles
1/2
18. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
v(x2-x1)²+ (y2-y1)²
n percent greater than x
quadratic equations
x²+ 2xy+y²
19. Is a subset of every set
permutations
it is also divisible by 2 and 3
then side b > side a
null set
20. Volume= 4/3?r² surface area= 4?r²
the perpendicular distance
sphere
the sum of parts
two solutions
21. The distance between two parallel lines or from a point to a line always means
Axioms
percent
the perpendicular distance
right triangle
22. Sin 45°
or
v2/2 or .71
right triangle
(x/100)m= n
23. If an equation can be put into the form y= mx +b - then
rectangle
1/2
positive
b is the y-intercept
24. (x+y)(x+y)= (x+y)²
equilateral triangle
the last two digits of the number make a number that is divisible by 4
x²+ 2xy+y²
±vx
25. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
b is the y-intercept
right triangle
approx square roots
22/7 or 3.14
26. x(y-z)
radius of a circle
xy-xz
(y-x/x)100
angle a and angle b = angle d
27. Area= bh perimeter= 2a +2b
parallelogram
simultaneous equations in 2 unknowns
the sum of its digits is divisible by 3
even
28. V2/2- v2/2 - 1 (90-45-45)
greater than c
x-y
times
isosceles triangle
29. 1/2bh
right triangle
belongs to
area of a triangle
x - y
30. The whole equals
a<x<b
times
the sum of parts
central angle
31. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
central angle
isosceles triangle
x²-2xy+y²
radius of a circle
32. 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
equal
times
approx square roots
combinations
33. 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
finding the union of sets
360 degrees
equilateral triangle
sphere
34. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
b+d>c+e
v(x2-x1)²+ (y2-y1)²
n percent less than x
equal to the slope of the other
35. If y²= x - then y =
belongs to
simultaneous equations in 2 unknowns
±vx
the square of x
36. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
x+y/xy
never divide by zero
cylinder
cube
37. V2
1.4
itself
y intercept
inconsistent lines
38. One angle is equal 90° and the other two angles are equal to the sum of 90°
n percent less than x
right triangle
approx products
the sum of its digits is divisible by 3
39. The percent decrease from x to y ( y<x)
right triangle
cube
quadratic equations
(x-y/x)100
40. Any arc length is less than
all acute angles are equal and all obtuse angles are equal
odd
360 degrees
reflex angle
41. A<x and x<b
inscribed angle
opposite the greatest side
a<x<b
y angle< x angle
42. Less than 90°
xy-xz
simultaneous equations
acute angle
range of a relation
43. Any integer is divisible by 3 - if
a+b+d=c+d
all acute angles are equal and all obtuse angles are equal
the sum of its digits is divisible by 3
a set
44. What % of m is n
right triangle
v(x2-x1)²+ (y2-y1)²
(x/100)m= n
rectangle
45. 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 -
cube
xy>0
determining if a number is prime
or
46. 1-1-v2 (90-45-45)
x>y and y>z
(x/100)m= n
right triangle
22/7 or 3.14
47. 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.
angle bisector
+y
then side b > side a
expression of an even number
48. x less than y
y-x
x intercept
c x (john'S age)
the last two digits of the number make a number that is divisible by 4
49. x(y+z)
xy + xz
y intercept
radius of a circle
b is the y-intercept
50. Is - as - was - has - cost
rectangular solid
all acute angles are equal and all obtuse angles are equal
equals
odd