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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. 2k
expression of an even number
equal angles
±vx
properties of parallelograms
2. B>c+ d>e
permutations
b+d>c+e
radius
a side< b side
3. All odd numbers end in the digits of
negative reciprocal of the other
1 - 3 - 5 - 7 - 9
area of a triangle
the last two digits of the number make a number that is divisible by 4
4. (sum of individual quantities or measures/ total number of quantities or measures)
inverse of a relation
sphere
equals
average
5. Ax= by + C
equal to the slope of the other
simultaneous equations in 2 unknowns
parallel
x>y and w>z
6. xw> yz
distributive axiom
a?n
the sum of its digits is divisible by 3
x>y>0 and w>z>0
7. 7-24-25
determining if a number is prime
right triangle
even
polygon
8. 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
similar triangles
finding the union of sets
x and y
x%
9. Sum of an odd and an even number is
equal
radius of a circle
odd
straight angle
10. Area= s² perimeter= 4s
acute angle
when finding a solution set
midpoint of a line segment joining 2 parts
square
11. B²-4ac = 0 there is
the last two digits of the number make a number that is divisible by 4
odd
the perpendicular distance
one solution
12. /100 (the ______ number over 100)
a?n
cube
percent
x-y/xy
13. Area = ?r² circumference(perimeter)= 2?r
circle
polygon
equal
any variable
14. x²
x²-2xy+y²
(y-x/x)100
percent
the square of x
15. Any integer is divisible by 10 - if
expression of an even number
0 - 2 - 4 - 6 - 8
then side b > side a
the last digit is 0
16. 5+3= 3+5 and 5 x 3= 3 x 5
commutative axiom of addition and multiplication
(y-x/x)100
acute angle
v3/2 or .87
17. Sin 30°
1/2
right triangle
isosceles
angle bisector
18. 5-12-13
even
right triangle
coinciding lines
the third side
19. Sin 60°
v3/2 or .87
xy< 0
x>y
chord
20. 1/x + 1/y x -y ? 0
rectangle
chord
x+y/xy
odd
21. Between 180° and 360°
finding the union of sets
equilateral triangle
reflex angle
w>0 and x>y
22. Every set is a subset of
simultaneous equations
x + y
y-x
itself
23. Any arc length is less than
360 degrees
right triangle
if the last digit of the number is 0 -2 -4 -6 -8
standard deviation
24. x/100
1.4
x%
average
midpoint of a line segment joining 2 parts
25. Side a +side b of a ? is
slope of a line joining two points
(y-x/x)100
greater than c
the perpendicular distance
26. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
medians of a triangle
always positive or zero
pythagorean theorem
360 degrees
27. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
equilateral triangle
x and y
Axioms
x + y
28. (x+y)(x+y)= (x+y)²
similar triangles
equal
x²+ 2xy+y²
if two sets have no elements in common
29. Volume= 4/3?r² surface area= 4?r²
approx products
percent
even
sphere
30. All even numbers end in the digits of
b is the y-intercept
0 - 2 - 4 - 6 - 8
rectangular solid
opposite the greatest side
31. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
xy
parallel
find the intersection of two sets
right angle
32. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
quadratic equations
distributive axiom
c x (john'S age)
Axioms
33. Any integer is divisible by 4 - if
simultaneous equations
approx sums
right triangle
the last two digits of the number make a number that is divisible by 4
34. x/100
if the last digit of the number is 0 -2 -4 -6 -8
hexagon
right angle
x percent
35. ?
the last digit is either 0 or 5
and
diagonal of a square
perpendicular bisectors
36. If two lines are parallel - the slope of one is
associative axiom of addition and multiplication
equal to the slope of the other
consistent lines
combinations
37. 180°
triangle or straight line
1
360 degrees
semicircle
38. A°
x + y
1
x-y/xy
circle
39. Intersect at only one point - the point is the only solution to the pair of equations
consistent lines
x²-2xy+y²
percent
domain of a relation
40. Angles directly across each other are equal
vertical angles
0 - 2 - 4 - 6 - 8
triangle or straight line
inverse of a relation
41. x(y-z)
xy-xz
right angle
(y-x/x)100
all acute angles are equal and all obtuse angles are equal
42. 180°
the percent of decrease
finding the union of sets
closed set
straight angle
43. The measure of an interior angle is
hemisphere
greater than c
equals
equal to the sum of the measures of the remote exterior angles
44. ?
angle inscribed in semicircle
never divide by zero
the last digit is either 0 or 5
angle
45. ? if a side < b side - then
y angle< x angle
right triangle
cube
x is greater than y
46. If the each element of the domain occurs only once as a FIRST component
a relation is a function
even
xy
right triangle
47. A chord through the center of the circle
itself
n percent greater than x
diameter
semicircle
48. ?
360 degrees
or
x%
triangle
49. x > y or y< x
circle
greater than c
the percent of increase
x is greater than y
50. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result
x>y>0 and w>z>0
standard deviation
midpoint of a line segment joining 2 parts
it is also divisible by 2 and 3