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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. Is a subset of every set
v2/2 or .71
the third side
then side b > side a
null set
2. Any integer is divisible by 6 if
a side< b side
inconsistent lines
area of a triangle
it is also divisible by 2 and 3
3. x younger than y
x - y
isosceles
v3/2 or .87
similar triangles
4. x+w> y+z
right triangle
properties of parallelograms
x>y and w>z
expression of an even number
5. N is what % of m
n= mx/100
medians of a triangle
regular polygon properties
greater than c
6. Which - what
x>y
perpendicular bisectors
any variable
right triangle
7. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
the last digit is either 0 or 5
negative
trapezoid
+y
8. Then their intersection is the null or empty set - written as Ø
positive
if two sets have no elements in common
x²-2xy+y²
xy>0
9. 1/an
-y
a?n
diameter
cube
10. Ax= by + C
x - y
simultaneous equations in 2 unknowns
right triangle
parallel
11. Sum of an odd and an even number is
odd
the sum of its digits is divisible by 3
reflex angle
it is also divisible by 2 and 3
12. All three sides and all three angles are equal
supplementary angles
x - y
equilateral triangle
odd
13. All odd numbers end in the digits of
y-x
coinciding lines
1 - 3 - 5 - 7 - 9
xy-xz
14. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places
all acute angles are equal and all obtuse angles are equal
straight angle
approx products
x²-y²
15. 3(4+1)= 3 x 4 + 3 x 1
a
odd
distributive axiom
itself
16. Set of solutions to an equation
sphere
perpendicular bisectors
rectangle
solution set
17. (amount of decrease/original amount) x 100
(x/100)m= n
the percent of decrease
a relation is a function
isosceles
18. ? if a side is equal to b side then - the opposite corresponding angles are
equal
average
the square of x
tangent
19. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
a+b+d=c+d
Axioms
expression of an odd number
hemisphere
20. 5+3= 3+5 and 5 x 3= 3 x 5
positive
x>y
commutative axiom of addition and multiplication
greater than c
21. Any integer is divisible by 4 - if
odd
approx products
the last two digits of the number make a number that is divisible by 4
180 degrees
22. y years from now
c x (john'S age)
+y
obtuse angle
the last digit is either 0 or 5
23. Less than 90°
right triangle
the sum of parts
acute angle
w>0 and x>y
24. x + (n/100)x
x>y>0 and w>z>0
diameter
n percent greater than x
angle inscribed in semicircle
25. Between 180° and 360°
is a subset of
vertical angles
w>0 and x>y
reflex angle
26. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.
central angle
cube
equal angles
b is the y-intercept
27. x/100
square
or
180 degrees
x%
28. Sum of two odd numbers is
radius of a circle
even
a side< b side
right triangle
29. Is - as - was - has - cost
equals
consistent lines
0 - 2 - 4 - 6 - 8
x+y/xy
30. If the each element of the domain occurs only once as a FIRST component
a set
expression of an odd number
a relation is a function
n percent less than x
31. Any integer is divisible by 9 - if
supplementary angles
equal
the sum of its digits is divisible by 9
x<0
32. (sum of individual quantities or measures/ total number of quantities or measures)
right triangle
itself
n percent less than x
average
33. 2k
circle
expression of an even number
even
-y
34. All even numbers end in the digits of
xy + xz
isosceles triangle
0 - 2 - 4 - 6 - 8
1.7
35. 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
parallelogram
approx sums
right triangle
a<x<b
36. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.
perpendicular bisectors
odd
the square of x
right angle
37. Volume= 4/3?r² surface area= 4?r²
sphere
radius
a<x<b
expression of an even number
38. N= combinations taken (order does not matter) r= rate at a time nCr or C(n -r) = (n)!/(r)! (remember to cancel out common numbers)
x>y and y>z
obtuse angle
x is less than y
combinations
39. Diagonal= sv2
diagonal of a square
isosceles triangle
x>y
even
40. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
semicircle
circle
solution set
properties of a rectangle
41. ?
any variable
domain of a relation
the last digit is either 0 or 5
implies
42. The distance from the center of the circle
distributive axiom
two solutions
the percent of increase
radius
43. x + y
times
set
the square of x
x and y
44. Is always a right angle.
x intercept
diameter of circle
angle inscribed in semicircle
n= mx/100
45. Wx>wy
polygon
right triangle
right triangle
w>0 and x>y
46. The measure of an interior angle is
n percent less than x
equal to the sum of the measures of the remote exterior angles
area of a triangle
properties of a rhombus
47. 1.each pair of opposite sides are equal 2. the diagonals bisect eachother 3. the opposite angles are equal 4. one diagonal divides it into two congruent triangles and two diagonals divides it into two pairs of congruent triangles
a?n
set
equal to the slope of the other
properties of parallelograms
48. 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.
cylinder
angle bisector
circle
right triangle
49. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
supplementary angles
permutations
x>y
obtuse angle
50. | |
right triangle
parallel
semicircle
all acute angles are equal and all obtuse angles are equal
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