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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. All odd numbers end in the digits of
x²-2xy+y²
finding the union of sets
1 - 3 - 5 - 7 - 9
n percent less than x
2. B>c+ d>e
it is also divisible by 2 and 3
b+d>c+e
x>y
quadratic equations
3. If the each element of the domain occurs only once as a FIRST component
diameter of circle
straight angle
a relation is a function
360 degrees
4. 1-v3- 2 (90-30-60)
v2/2 or .71
equilateral triangle
a?n
right triangle
5. A/A¹ = B/B¹= C/C¹
similar triangles
equilateral triangle
parallel
then side b > side a
6. ?
x - y
central angle
solution set
is a subset of
7. Between 180° and 360°
radius of a circle
a?n
hemisphere
reflex angle
8. 2k
properties of a square
expression of an even number
xy + xz
inconsistent lines
9. 1-1-1 (60-60-60)
y-x
the perpendicular distance
1
equilateral triangle
10. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
x-y/xy
properties of parallelograms
set
approx products
11. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
xy
pythagorean theorem
x-y/xy
quadratic equations
12. (x+y) (x-y)
pythagorean theorem
range of a relation
x²-y²
obtuse angle
13. Area= s² perimeter= 4s
equilateral triangle
permutations
combinations
square
14. Angles directly across each other are equal
c x (john'S age)
right triangle
expression of an even number
vertical angles
15. z>y
right triangle
distributive axiom
right triangle
x<0 and z=x+y
16. One angle is equal 90° and the other two angles are equal to the sum of 90°
n= mx/100
supplementary angles
right triangle
x<0 and z=x+y
17. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both
associative axiom of addition and multiplication
coinciding lines
square
determining if a number is prime
18. 5+3= 3+5 and 5 x 3= 3 x 5
x>y and y>z
n= mx/100
a<x<b
commutative axiom of addition and multiplication
19. 7-24-25
implies
the third side
right triangle
angle
20. (x-y)(x-y) = (x-y)²
x%
n percent greater than x
x²-2xy+y²
1.4
21. x less than y
y-x
equilateral triangle
inverse of a relation
x - y
22. 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*)
closed set
x is less than y
xy< 0
vertical angles
23. 90°
n percent less than x
xy
right angle
standard deviation
24. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
right triangle
midpoint of a line segment joining 2 parts
no solutions
associative axiom of addition and multiplication
25. Diagonal= sv2
diagonal of a square
a?n
(x-y/x)100
v(x2-x1)²+ (y2-y1)²
26. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
determining if a number is prime
pythagorean theorem
right triangle
x%
27. 1/an
x + y
polygon
x>y and w>z
a?n
28. 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
supplementary angles
percent
midpoint of a line segment joining 2 parts
finding the union of sets
29. Which - what
central angle
x+y/xy
isosceles triangle
any variable
30. x + y
odd
angle bisector
1/2
x and y
31. Wx>wy
n percent greater than x
the square of x
w>0 and x>y
then side b > side a
32. ?
belongs to
commutative axiom of addition and multiplication
right triangle
perpendicular bisectors
33. x+w> y+z
perpendicular
x - y
x>y and w>z
trapezoid
34. Area= bh perimeter= 2a +2b
obtuse angle
the sum of its digits is divisible by 3
parallelogram
a<x<b
35. A line that is perpendicular to a radius and that passes through only one point of the circle.
±vx
semicircle
tangent
times
36. y years from now
1
+y
positive
perpendicular
37. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
combinations
x>y>0 and w>z>0
diameter
38. x²
obtuse angle
the square of x
y angle< x angle
a+b+d=c+d
39. Is - as - was - has - cost
distributive axiom
equals
belongs to
is a subset of
40. V2
x>y
1.4
equilateral triangle
equilateral triangle
41. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.
regular polygon properties
finding the union of sets
is a subset of
1 - 3 - 5 - 7 - 9
42. Sum of two even numbers is
triangle
xy< 0
even
rectangular solid
43. The quotient of any quantity (except 0) divided by zero is infinity
equilateral triangle
radius of a circle
never divide by zero
x and y
44. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
permutations
domain of a relation
b is the y-intercept
equilateral triangle
45. Area = ?r² circumference(perimeter)= 2?r
22/7 or 3.14
b is the y-intercept
acute angle
circle
46. The decrease from x to y
a side< b side
x-y
is a subset of
the last two digits of the number make a number that is divisible by 4
47. The angles opposite to sides that are equal in length have
negative reciprocal of the other
equal angles
central angle
xy-xz
48. In transversals
slope of a line joining two points
cylinder
all acute angles are equal and all obtuse angles are equal
diagonal of a square
49. 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
find the intersection of two sets
similar triangles
angle inscribed in semicircle
approx square roots
50. Side a +side b of a ? is
a set
a+b+d=c+d
greater than c
the square of x