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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. The sum of any two sides of a triangle is greater than
central angle
the third side
it is also divisible by 2 and 3
x²+ 2xy+y²
2. y years ago
-y
right triangle
percent
approx sums
3. Area= bh perimeter= 2a +2b
parallelogram
xy>0
approx products
hexagon
4. Is a subset of every set
domain of a relation
x - y
null set
simultaneous equations in 2 unknowns
5. Is the set of the second components of the ordered pairs
range of a relation
xy-xz
x-y/xy
right triangle
6. x(y+z)
x - y
equal angles
right triangle
xy + xz
7. Any integer is divisible by 8 if
angle bisector
the last three numbers are divisible by 8
the sum of its digits is divisible by 3
the square of x
8. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.
n percent greater than x
properties of a rhombus
medians of a triangle
times
9. If two lines are parallel - the slope of one is
the percent of increase
is a subset of
equal to the slope of the other
parallel
10. The quotient of any quantity (except 0) divided by zero is infinity
right triangle
vertical angles
y-x
never divide by zero
11. Sin 60°
average
itself
reflex angle
v3/2 or .87
12. x²
right triangle
x<0
the square of x
n percent greater than x
13. x younger than y
x - y
never divide by zero
w<0 and x>y
simultaneous equations
14. The point where the line crosses the y-axis - x will always = 0 in this case
right triangle
y intercept
equal angles
belongs to
15. 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.
approx square roots
percent
polygon
triangle or straight line
16. (sum of individual quantities or measures/ total number of quantities or measures)
vertical angles
all acute angles are equal and all obtuse angles are equal
average
two solutions
17. x>z
±vx
or
right triangle
x>y and y>z
18. The difference between x and y
x + y
inconsistent lines
set
x - y
19. Area= l x w perimeter = (2l)(2w)
rectangle
hexagon
itself
properties of a rectangle
20. x/100
simultaneous equations
0 - 2 - 4 - 6 - 8
x percent
average
21. Two tangents to a circle from the same point outside of the circle are always
if two sets have no elements in common
perpendicular bisectors
Axioms
equal
22. Product of an even number and any other number is
find the intersection of two sets
even
polygon
square
23. x+w> y+z
x>y
times
set
x>y and w>z
24. Volume= e(edge)³ surface area= 6e²
x - y
straight angle
a
cube
25. 1-1-v2 (90-45-45)
even
x<0 and z=x+y
right triangle
perpendicular
26. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a
medians of a triangle
n= mx/100
properties of a square
a side< b side
27. The distance between two parallel lines or from a point to a line always means
finding the union of sets
±vx
the perpendicular distance
equilateral triangle
28. The distance from the center of the circle
radius
0 - 2 - 4 - 6 - 8
relation
isosceles triangle
29. A subset of a set is
positive
equal
square
a set
30. Area= 1/2bh perimeter= a+b+c
triangle or straight line
the last digit is 0
triangle
circle
31. In a triangle - the greatest angles lies
opposite the greatest side
a
is a subset of
combinations
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)
x>y
associative axiom of addition and multiplication
a<x<b
probability
33. x older than y
x<0
relation
x + y
null set
34. 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
approx square roots
domain of a relation
y intercept
find the intersection of two sets
35. Diagonal= sv2
diagonal of a square
central angle
the last digit is 0
x is less than y
36. 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.
all acute angles are equal and all obtuse angles are equal
altitude of a triangle
vertical angles
angle a and angle b = angle d
37. If y²= x - then y =
obtuse angle
positive
slope of a line joining two points
±vx
38. If b²-4ac < 0 - there are
right triangle
no solutions
equal
angle bisector
39. Sum of two even numbers is
1.4
even
22/7 or 3.14
and
40. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
slope of a line joining two points
circle
set
times
41. Product of two odd numbers is
xy-xz
probability
odd
x - y
42. | |
1
parallel
x is less than y
straight angle
43. If two lines are perpendicular - the slope of one is the
negative reciprocal of the other
altitude of a triangle
reflex angle
coinciding lines
44. x - (n/100)x
similar triangles
n percent less than x
radius
properties of parallelograms
45. Any arc length is less than
the last digit is either 0 or 5
xy
360 degrees
reflex angle
46. Angles directly across each other are equal
vertical angles
times
trapezoid
average
47. 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
never divide by zero
approx sums
combinations
inscribed angle
48. The product of an even number of negative numbers is
x + y
positive
a<x<b
the last three numbers are divisible by 8
49. The angles opposite to sides that are equal in length have
implies
equal angles
obtuse angle
semicircle
50. x less than y
y-x
right triangle
x>y and y>z
opposite the greatest side