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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. 1/2d
radius of a circle
regular polygon properties
v2/2 or .71
equal
2. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
(x-y/x)100
find the intersection of two sets
v(x2-x1)²+ (y2-y1)²
combinations
3. y years from now
reflex angle
finding the union of sets
regular polygon properties
+y
4. ?
the third side
perpendicular
right triangle
right triangle
5. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.
inconsistent lines
two solutions
polygon
x-y
6. A<x and x<b
a<x<b
parallel
diameter
obtuse angle
7. Set of solutions to an equation
properties of a rhombus
a
y angle< x angle
solution set
8. ?
x<0
or
similar triangles
x+y/xy
9. Any integer is divisible by 8 if
right triangle
the last three numbers are divisible by 8
positive
inverse of a relation
10. Diagonal= sv2
x + y
x%
inverse of a relation
diagonal of a square
11. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
x - y
hemisphere
x + y
a<x<b
12. x - (n/100)x
n percent less than x
v(x2-x1)²+ (y2-y1)²
x is less than y
tangent
13. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
180 degrees
+y
all acute angles are equal and all obtuse angles are equal
quadratic equations
14. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
combinations
equilateral triangle
x + y
midpoint of a line segment joining 2 parts
15. (amount of increase/original amount) x 100
if two sets have no elements in common
a<x<b
y angle< x angle
the percent of increase
16. ? if a side < b side - then
y angle< x angle
two solutions
3.16
(y-x/x)100
17. R²
diameter of circle
solution set
a side< b side
n percent less than x
18. z>y
x<0 and z=x+y
central angle
right triangle
xy + xz
19. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.
hexagon
regular polygon properties
implies
altitude of a triangle
20. A line that is perpendicular to a radius and that passes through only one point of the circle.
+y
tangent
angle bisector
the last digit is either 0 or 5
21. A+b=c+ d=d
right triangle
a+b+d=c+d
even
even
22. Between 180° and 360°
x percent
polygon
two solutions
reflex angle
23. 8-15-17
(x/100)m= n
hemisphere
right triangle
diameter of circle
24. 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.
finding the union of sets
sphere
regular polygon properties
diagonal of a square
25. y<x
radius
area of a triangle
x is greater than y
x>y
26. The difference between x and y
the third side
x - y
xy + xz
180 degrees
27. Between 90° and 180°
obtuse angle
properties of parallelograms
Axioms
if the last digit of the number is 0 -2 -4 -6 -8
28. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
xy>0
the percent of increase
trapezoid
x - y
29. If two lines are perpendicular - the slope of one is the
slope of a line joining two points
negative reciprocal of the other
x is less than y
positive
30. The whole equals
the sum of parts
diagonal of a square
angle a and angle b = angle d
3.16
31. The distance between two parallel lines or from a point to a line always means
obtuse angle
range of a relation
the perpendicular distance
right triangle
32. M=number of favorable ways n= total number of ways (two events occurring is the prob of the first times the prob of the second)
probability
straight angle
area of a triangle
a set
33. Is the relation with ALL ordered pairs REVERSED.
360 degrees
coinciding lines
inverse of a relation
1/2
34. The angles opposite to sides that are equal in length have
a set
equals
equal angles
right triangle
35. (amount of decrease/original amount) x 100
xy + xz
acute angle
expression of an odd number
the percent of decrease
36. Any integer is divisible by 5 if
the last digit is either 0 or 5
reflex angle
perpendicular bisectors
angle bisector
37. Any line that connects two points on a circle.
then side b > side a
any variable
chord
expression of an odd number
38. Is always a right angle.
right triangle
angle inscribed in semicircle
supplementary angles
x<0 and z=x+y
39. If two lines are parallel - the slope of one is
find the intersection of two sets
equal to the slope of the other
xy-xz
angle inscribed in semicircle
40. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
all acute angles are equal and all obtuse angles are equal
y-x
associative axiom of addition and multiplication
distributive axiom
41. ?
w<0 and x>y
c x (john'S age)
hexagon
belongs to
42. x(y+z)
xy + xz
x<0
n percent less than x
v(x2-x1)²+ (y2-y1)²
43. | |
y-x
parallel
approx sums
(x/100)m= n
44. x(y-z)
(x-y/x)100
a side< b side
xy-xz
the last digit is either 0 or 5
45. x > y or y< x
finding the union of sets
positive
obtuse angle
x is greater than y
46. 3-4-5
x and y
right triangle
chord
implies
47. All three sides and all three angles are equal
equilateral triangle
y angle< x angle
the square of x
associative axiom of addition and multiplication
48. Angle whose sides are two chords. The vertex of the angles lies on the circumference of the circle. The number of degrees of the angle is equal to 1/2 the intercepted arc
parallel
inscribed angle
0 - 2 - 4 - 6 - 8
itself
49. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
y-x
xy>0
isosceles triangle
x - y
50. Product of an even number and any other number is
percent
angle a and angle b = angle d
even
angle inscribed in semicircle