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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. y years from now
v3/2 or .87
+y
the perpendicular distance
right triangle
2. 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
triangle or straight line
inscribed angle
negative
average
3. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.
b is the y-intercept
w>0 and x>y
hexagon
equilateral triangle
4. 3(4+1)= 3 x 4 + 3 x 1
distributive axiom
semicircle
rectangle
finding the union of sets
5. A°
1
180 degrees
x>y
circle
6. What % of m is n
(x/100)m= n
triangle
average
polygon
7. Sin 45°
v2/2 or .71
right triangle
angle inscribed in semicircle
the last digit is 0
8. 1/2bh
n percent greater than x
the percent of increase
area of a triangle
permutations
9. Is the set of the first components of the ordered pairs.
x%
-y
or
domain of a relation
10. Is the relation with ALL ordered pairs REVERSED.
0 - 2 - 4 - 6 - 8
negative reciprocal of the other
reflex angle
inverse of a relation
11. x + (n/100)x
positive
properties of a rectangle
reflex angle
n percent greater than x
12. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
approx sums
permutations
chord
x percent
13. 180°
right triangle
triangle or straight line
closed set
consistent lines
14. A line that is perpendicular to a radius and that passes through only one point of the circle.
tangent
b is the y-intercept
standard deviation
midpoint of a line segment joining 2 parts
15. x²
y intercept
the square of x
simultaneous equations in 2 unknowns
straight angle
16. (x+y)(x+y)= (x+y)²
n percent less than x
cube
x²+ 2xy+y²
rectangle
17. A<x and x<b
odd
x<0
a<x<b
reflex angle
18. | |
x is less than y
parallel
x>y
the sum of its digits is divisible by 3
19. ?
belongs to
tangent
right triangle
properties of parallelograms
20. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
right triangle
cube
pythagorean theorem
equilateral triangle
21. ?
vertical angles
22/7 or 3.14
simultaneous equations in 2 unknowns
find the intersection of two sets
22. The sum of any two sides of a triangle is greater than
cylinder
hemisphere
relation
the third side
23. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
coinciding lines
(x-y/x)100
isosceles triangle
find the intersection of two sets
24. ?
any variable
xy-xz
1
and
25. Diagonal= sv2
slope of a line joining two points
y-x
diagonal of a square
odd
26. The distance from the center of the circle
angle inscribed in semicircle
coinciding lines
right angle
radius
27. xw> yz
equal
x>y>0 and w>z>0
then side b > side a
consistent lines
28. If b²-4ac < 0 - there are
no solutions
tangent
(x/100)m= n
3.16
29. Every set is a subset of
chord
itself
x + y
find the intersection of two sets
30. R²
x>y
diameter of circle
v(x2-x1)²+ (y2-y1)²
equilateral triangle
31. Any integer is divisible by 3 - if
solution set
all acute angles are equal and all obtuse angles are equal
the sum of its digits is divisible by 3
equal to the sum of the measures of the remote exterior angles
32. (sum of individual quantities or measures/ total number of quantities or measures)
average
consistent lines
odd
domain of a relation
33. Angles that equal 180 degrees
finding the union of sets
1
x>y
supplementary angles
34. 5+3= 3+5 and 5 x 3= 3 x 5
combinations
x + y
angle
commutative axiom of addition and multiplication
35. M= y2-y1/x2-x1
when finding a solution set
similar triangles
perpendicular
slope of a line joining two points
36. One angle is equal 90° and the other two angles are equal to the sum of 90°
radius
x²-2xy+y²
approx sums
right triangle
37. In a triangle - if ?c(interior angle in triangle) and ?d(exterior angle out of triangle) are supplmentary angles - than ?a and ?b are remote interior angles to <d - thus - a +b+c = 180 (triangle) c+d = 180 (supplementary angles)
angle a and angle b = angle d
one solution
x>y
odd
38. Is a subset of every set
inverse of a relation
angle inscribed in semicircle
the last digit is either 0 or 5
null set
39. Product of two odd numbers is
distributive axiom
negative reciprocal of the other
equilateral triangle
odd
40. Angles directly across each other are equal
it is also divisible by 2 and 3
isosceles triangle
vertical angles
expression of an even number
41. A+b=c+ d=d
isosceles triangle
range of a relation
set
a+b+d=c+d
42. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}
x + y
(y-x/x)100
when finding a solution set
a
43. The product of an even number of negative numbers is
positive
properties of a rectangle
+y
x + y
44. Side a +side b of a ? is
the sum of parts
greater than c
simultaneous equations
equals
45. 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.
1.7
right triangle
implies
regular polygon properties
46. A¹
greater than c
x + y
a
isosceles triangle
47. 1/2d
right triangle
properties of parallelograms
reflex angle
radius of a circle
48. ?
implies
or
180 degrees
the sum of its digits is divisible by 3
49. ?if y angle< x angle - then
radius of a circle
a side< b side
vertical angles
if the last digit of the number is 0 -2 -4 -6 -8
50. 360°
circle
rectangle
obtuse angle
it is also divisible by 2 and 3