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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. Area= l x w perimeter = (2l)(2w)
belongs to
rectangle
right triangle
null set
2. Intersect at only one point - the point is the only solution to the pair of equations
hexagon
then side b > side a
the third side
consistent lines
3. The product of an even number of negative numbers is
and
it is also divisible by 2 and 3
positive
approx square roots
4. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.
parallelogram
circle
angle bisector
x²-y²
5. 180°
never divide by zero
straight angle
diameter of circle
supplementary angles
6. If two lines are parallel - the slope of one is
or
v2/2 or .71
equal to the slope of the other
x - y
7. x>z
commutative axiom of addition and multiplication
x>y and y>z
right triangle
square
8. Sin 30°
then side b > side a
implies
1/2
approx products
9. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
isosceles triangle
belongs to
regular polygon properties
inconsistent lines
10. ?
right triangle
y intercept
and
y-x
11. All angles are right angles and diagonals are equal 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
if two sets have no elements in common
equilateral triangle
360 degrees
properties of a rectangle
12. ?
or
isosceles
x%
right triangle
13. Two tangents to a circle from the same point outside of the circle are always
equal
equals
x is greater than y
if the last digit of the number is 0 -2 -4 -6 -8
14. A<x and x<b
square
a<x<b
xy
x>y>0 and w>z>0
15. Any integer is divisible by 8 if
chord
xy + xz
closed set
the last three numbers are divisible by 8
16. ?
closed set
inscribed angle
angle
null set
17. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)
tangent
x percent
(x-y/x)100
closed set
18. Any integer is divisible by 6 if
it is also divisible by 2 and 3
central angle
perpendicular bisectors
x%
19. A subset of a set is
a set
the third side
consistent lines
similar triangles
20. Any line that connects two points on a circle.
chord
perpendicular
x²+ 2xy+y²
reflex angle
21. z>y
parallelogram
altitude of a triangle
x<0 and z=x+y
associative axiom of addition and multiplication
22. If y²= x - then y =
all acute angles are equal and all obtuse angles are equal
rectangular solid
±vx
equal to the slope of the other
23. 3(4+1)= 3 x 4 + 3 x 1
y intercept
equal to the sum of the measures of the remote exterior angles
average
distributive axiom
24. When two parallel lines are crossed by a third straight line (transversal) - then
inscribed angle
a<x<b
all acute angles are equal and all obtuse angles are equal
the perpendicular distance
25. ?
implies
the last two digits of the number make a number that is divisible by 4
right triangle
1
26. 2k + 1
diagonal of a square
all acute angles are equal and all obtuse angles are equal
1
expression of an odd number
27. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
+y
hemisphere
then side b > side a
vertical angles
28. Any integer is divisible by 9 - if
obtuse angle
x - y
the sum of its digits is divisible by 9
right triangle
29. Diagonal= sv2
diagonal of a square
a side< b side
triangle or straight line
360 degrees
30. Product of two odd numbers is
odd
quadratic equations
right triangle
finding the union of sets
31. 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)
combinations
associative axiom of addition and multiplication
w>0 and x>y
expression of an even number
32. B²-4ac = 0 there is
+y
one solution
x>y
vertical angles
33. 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.
-y
hexagon
angle
midpoint of a line segment joining 2 parts
34. Less than 90°
slope of a line joining two points
triangle or straight line
obtuse angle
acute angle
35. The distance between two parallel lines or from a point to a line always means
the perpendicular distance
square
inscribed angle
right triangle
36. The product of x and y
right angle
(y-x/x)100
xy
right triangle
37. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
and
cube
vertical angles
n percent less than x
38. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both
equal to the sum of the measures of the remote exterior angles
right angle
circle
coinciding lines
39. (sum of individual quantities or measures/ total number of quantities or measures)
x²+ 2xy+y²
range of a relation
average
approx sums
40. The point where the line crosses the y-axis - x will always = 0 in this case
positive
inconsistent lines
times
y intercept
41. x + y
angle a and angle b = angle d
angle
finding the union of sets
x and y
42. N is what % of m
n= mx/100
xy-xz
right triangle
permutations
43. x less than y
y intercept
rectangular solid
permutations
y-x
44. Any integer is divisible by 3 - if
a+b+d=c+d
the sum of its digits is divisible by 3
tangent
similar triangles
45. Sin 60°
associative axiom of addition and multiplication
v3/2 or .87
x + y
pythagorean theorem
46. x < y or y> x
x²+ 2xy+y²
-y
x is less than y
triangle or straight line
47. Is a subset of every set
the square of x
hexagon
angle
null set
48. ? if a side < b side - then
equilateral triangle
Axioms
domain of a relation
y angle< x angle
49. ?
odd
properties of parallelograms
x<0 and z=x+y
perpendicular
50. x - (n/100)x
chord
the last digit is either 0 or 5
n percent less than x
is a subset of