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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. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
equal to the sum of the measures of the remote exterior angles
x intercept
vertical angles
x>y
2. 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
right triangle
rectangle
properties of parallelograms
0 - 2 - 4 - 6 - 8
3. ?
a relation is a function
midpoint of a line segment joining 2 parts
22/7 or 3.14
standard deviation
4. N is what % of m
all acute angles are equal and all obtuse angles are equal
then side b > side a
the sum of its digits is divisible by 3
n= mx/100
5. 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)
v2/2 or .71
combinations
rectangular solid
area of a triangle
6. Every set is a subset of
y angle< x angle
Axioms
itself
acute angle
7. One angle is equal 90° and the other two angles are equal to the sum of 90°
solution set
polygon
negative reciprocal of the other
right triangle
8. x/100
acute angle
x percent
circle
associative axiom of addition and multiplication
9. Less than 90°
acute angle
right triangle
implies
equal
10. The distance between two parallel lines or from a point to a line always means
equal
a side< b side
right triangle
the perpendicular distance
11. The whole equals
circle
isosceles triangle
the sum of parts
y-x
12. Any integer is divisible by 6 if
even
simultaneous equations
right triangle
it is also divisible by 2 and 3
13. ?
right triangle
implies
equilateral triangle
right triangle
14. Wx<wy
w<0 and x>y
x>y and w>z
perpendicular bisectors
1
15. Volume=lwh surface area= 2wh + 2hl + 2lw
x + y
isosceles
x>y>0 and w>z>0
rectangular solid
16. z>y
x<0 and z=x+y
properties of parallelograms
x - y
right triangle
17. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
diameter
the last three numbers are divisible by 8
isosceles triangle
cube
18. Angles that equal 180 degrees
reflex angle
supplementary angles
n percent less than x
n percent greater than x
19. The sume of x and y
v2/2 or .71
x + y
a?n
any variable
20. Product of two odd numbers is
similar triangles
x>y and y>z
determining if a number is prime
odd
21. Diagonals are perpendicular to each other and bisect the vertex angles 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 diagonal
properties of a square
radius
properties of a rhombus
parallel
22. Volume= 4/3?r² surface area= 4?r²
similar triangles
quadratic equations
x percent
sphere
23. Area= s² perimeter= 4s
central angle
x percent
find the intersection of two sets
square
24. Is - as - was - has - cost
equals
y intercept
permutations
angle inscribed in semicircle
25. Side a +side b of a ? is
all acute angles are equal and all obtuse angles are equal
x + y
even
greater than c
26. 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
simultaneous equations
midpoint of a line segment joining 2 parts
equals
27. 3(4+1)= 3 x 4 + 3 x 1
distributive axiom
a side< b side
isosceles triangle
-y
28. Any integer is divisible by 5 if
x percent
right triangle
the last digit is either 0 or 5
(x/100)m= n
29. Any integer is divisible by 9 - if
straight angle
is a subset of
negative reciprocal of the other
the sum of its digits is divisible by 9
30. Wx>wy
relation
cylinder
w>0 and x>y
x>y and y>z
31. The distance from the center of the circle
supplementary angles
never divide by zero
radius
parallel
32. 1-1-v2 (90-45-45)
1/2
equilateral triangle
central angle
right triangle
33. 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
the sum of parts
a side< b side
slope of a line joining two points
finding the union of sets
34. Then their intersection is the null or empty set - written as Ø
x - y
if two sets have no elements in common
odd
permutations
35. x older than y
tangent
if the last digit of the number is 0 -2 -4 -6 -8
x + y
-y
36. Area= bh perimeter= 2a +2b
n= mx/100
parallelogram
never divide by zero
a?n
37. When two parallel lines are crossed by a third straight line (transversal) - then
the last digit is 0
all acute angles are equal and all obtuse angles are equal
(x/100)m= n
then side b > side a
38. 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
x - y
approx square roots
combinations
odd
39. 1/x + 1/y x -y ? 0
(x-y/x)100
properties of a rhombus
slope of a line joining two points
x+y/xy
40. C times as old as john
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183
41. The point where the line crosses the x-axis - y will always = 0 in this case
a side< b side
coinciding lines
x intercept
commutative axiom of addition and multiplication
42. V2/2- v2/2 - 1 (90-45-45)
equals
the sum of its digits is divisible by 3
and
isosceles triangle
43. Any integer is divisible by 10 - if
rectangular solid
the last digit is 0
properties of a rhombus
associative axiom of addition and multiplication
44. y<x
a<x<b
x>y
inconsistent lines
all acute angles are equal and all obtuse angles are equal
45. Volume= e(edge)³ surface area= 6e²
the sum of parts
x%
x<0 and z=x+y
cube
46. Set of solutions to an equation
x - y
solution set
(y-x/x)100
right triangle
47. | |
similar triangles
parallel
two solutions
right triangle
48. Between 180° and 360°
reflex angle
trapezoid
x²+ 2xy+y²
right triangle
49. C²= a²+b² and angle x and y are equal to 90°
isosceles
radius of a circle
properties of a rectangle
right triangle
50. ? if a side is equal to b side then - the opposite corresponding angles are
equal
similar triangles
the last three numbers are divisible by 8
approx sums