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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 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
never divide by zero
x intercept
similar triangles
2. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
find the intersection of two sets
x intercept
xy + xz
x-y
3. 360°
right triangle
equilateral triangle
circle
midpoint of a line segment joining 2 parts
4. x+w> y+z
x>y and w>z
vertical angles
similar triangles
pythagorean theorem
5. x < y or y> x
isosceles
angle
x is less than y
two solutions
6. ?
w<0 and x>y
a<x<b
altitude of a triangle
perpendicular
7. 5-12-13
associative axiom of addition and multiplication
n percent greater than x
right triangle
probability
8. Ax= by + C
simultaneous equations in 2 unknowns
when finding a solution set
positive
vertical angles
9. x older than y
x>y and y>z
no solutions
x + y
xy< 0
10. 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)
slope of a line joining two points
combinations
x + y
the percent of increase
11. A°
a set
consistent lines
vertical angles
1
12. Angles that equal 180 degrees
supplementary angles
cube
inverse of a relation
rectangular solid
13. x(y-z)
polygon
isosceles triangle
1.7
xy-xz
14. 1/2d
find the intersection of two sets
diameter of circle
radius of a circle
equal
15. 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.
any variable
supplementary angles
a relation is a function
perpendicular bisectors
16. (x-y)(x-y) = (x-y)²
chord
x²-2xy+y²
x is less than y
b is the y-intercept
17. 5+3= 3+5 and 5 x 3= 3 x 5
the percent of increase
commutative axiom of addition and multiplication
square
equilateral triangle
18. Two tangents to a circle from the same point outside of the circle are always
radius of a circle
expression of an odd number
a?n
equal
19. x less than y
y-x
xy + xz
x>y
x + y
20. xw> yz
approx square roots
x-y/xy
x>y>0 and w>z>0
isosceles triangle
21. 3(4+1)= 3 x 4 + 3 x 1
a<x<b
distributive axiom
180 degrees
+y
22. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
v(x2-x1)²+ (y2-y1)²
set
right triangle
x percent
23. z>y
x<0 and z=x+y
right triangle
b+d>c+e
midpoint of a line segment joining 2 parts
24. Any integer is divisible by 3 - if
hexagon
the sum of its digits is divisible by 3
sphere
permutations
25. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
set
v(x2-x1)²+ (y2-y1)²
x percent
two solutions
26. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
midpoint of a line segment joining 2 parts
odd
x-y
cylinder
27. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
associative axiom of addition and multiplication
expression of an odd number
polygon
implies
28. x/100
+y
x percent
itself
two solutions
29. 3-4-5
right triangle
x>y>0 and w>z>0
expression of an odd number
inconsistent lines
30. Is always a right angle.
right triangle
midpoint of a line segment joining 2 parts
x>y
angle inscribed in semicircle
31. 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
medians of a triangle
approx square roots
180 degrees
x>y and w>z
32. The distance between two parallel lines or from a point to a line always means
sphere
a side< b side
the perpendicular distance
even
33. In transversals
all acute angles are equal and all obtuse angles are equal
range of a relation
expression of an even number
isosceles triangle
34. N is what % of m
cube
standard deviation
n= mx/100
implies
35. Any integer is divisible by 9 - if
greater than c
x percent
approx square roots
the sum of its digits is divisible by 9
36. ?
x>y>0 and w>z>0
equal angles
is a subset of
all acute angles are equal and all obtuse angles are equal
37. 1/an
a?n
percent
radius
inconsistent lines
38. (x+y) (x-y)
equal
x²-y²
perpendicular bisectors
medians of a triangle
39. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
x²+ 2xy+y²
x - y
hemisphere
vertical angles
40. ?
xy-xz
equal angles
properties of parallelograms
belongs to
41. V10
right triangle
x percent
3.16
isosceles triangle
42. 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
n percent less than x
(y-x/x)100
inscribed angle
negative reciprocal of the other
43. 9-40-41
right triangle
all acute angles are equal and all obtuse angles are equal
all acute angles are equal and all obtuse angles are equal
any variable
44. x more than y
the third side
commutative axiom of addition and multiplication
x + y
a?n
45. 2k + 1
expression of an odd number
1.7
any variable
when finding a solution set
46. If b²-4ac < 0 - there are
determining if a number is prime
no solutions
distributive axiom
the percent of increase
47. xn<0 if n is odd and xn>0 if n is even
regular polygon properties
negative
x<0
a?n
48. The point where the line crosses the y-axis - x will always = 0 in this case
the perpendicular distance
y intercept
y angle< x angle
equal
49. If b²-4ac > 0 there are
two solutions
equal
approx products
tangent
50. If the each element of the domain occurs only once as a FIRST component
square
a relation is a function
diagonal of a square
medians of a triangle