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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 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.
angle bisector
all acute angles are equal and all obtuse angles are equal
expression of an even number
isosceles triangle
2. Any arc length is less than
360 degrees
parallel
circle
the percent of decrease
3. x>0 and y<0 or x<0 and y >0
xy< 0
circle
the percent of decrease
x²-y²
4. ?
is a subset of
parallelogram
inverse of a relation
equilateral triangle
5. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
angle
approx products
odd
permutations
6. 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
right triangle
hemisphere
±vx
approx square roots
7. (sum of individual quantities or measures/ total number of quantities or measures)
Axioms
the square of x
average
x intercept
8. Any number squared or raised to an even power is
x - y
0 - 2 - 4 - 6 - 8
always positive or zero
properties of a square
9. 1/y-1/x x -y ? 0
x-y/xy
x intercept
xy-xz
rectangle
10. When the elements of a set are ordered pairs
xy
the sum of parts
relation
a
11. R²
standard deviation
greater than c
simultaneous equations in 2 unknowns
diameter of circle
12. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
right triangle
b is the y-intercept
standard deviation
find the intersection of two sets
13. The percent increase from x to y (y>x)
expression of an odd number
(y-x/x)100
find the intersection of two sets
x percent
14. Wx<wy
right triangle
similar triangles
when finding a solution set
w<0 and x>y
15. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
altitude of a triangle
approx products
null set
pythagorean theorem
16. Sum of two even numbers is
the percent of increase
right angle
even
±vx
17. A°
xy + xz
1
right triangle
times
18. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places
approx products
b is the y-intercept
angle a and angle b = angle d
expression of an odd number
19. When two parallel lines are crossed by a third straight line (transversal) - then
consistent lines
closed set
right triangle
all acute angles are equal and all obtuse angles are equal
20. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
the percent of increase
equal angles
right triangle
a relation is a function
21. Sin 60°
v3/2 or .87
when finding a solution set
is a subset of
a?n
22. x > y or y< x
range of a relation
the third side
x is greater than y
the last digit is 0
23. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
w>0 and x>y
semicircle
equals
isosceles triangle
24. Volume=lwh surface area= 2wh + 2hl + 2lw
diameter
negative reciprocal of the other
equal
rectangular solid
25. y years from now
a relation is a function
+y
consistent lines
x intercept
26. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
cylinder
set
equal to the sum of the measures of the remote exterior angles
1.4
27. x(y+z)
y-x
xy + xz
itself
right triangle
28. Diagonal= sv2
positive
diagonal of a square
trapezoid
one solution
29. Area= 1/2bh perimeter= a+b+c
equilateral triangle
hemisphere
x²+ 2xy+y²
triangle
30. Any integer is divisible by 6 if
solution set
finding the union of sets
belongs to
it is also divisible by 2 and 3
31. 1. round each number being added to one more place than it is being asked. 2. add the rounded numbers. 3. round off the sum to the desired number of places
x - y
-y
circle
approx sums
32. 1-1-1 (60-60-60)
parallelogram
sphere
a
equilateral triangle
33. ?
and
never divide by zero
1
average
34. ?
belongs to
quadratic equations
inconsistent lines
opposite the greatest side
35. Is a subset of every set
parallel
equal to the sum of the measures of the remote exterior angles
(x/100)m= n
null set
36. In transversals
all acute angles are equal and all obtuse angles are equal
finding the union of sets
x - y
combinations
37. 8-15-17
right triangle
w>0 and x>y
c x (john'S age)
regular polygon properties
38. 9-40-41
the third side
right triangle
medians of a triangle
properties of parallelograms
39. Any integer is divisible by 8 if
isosceles
y-x
acute angle
the last three numbers are divisible by 8
40. The point where the line crosses the y-axis - x will always = 0 in this case
y intercept
is a subset of
parallelogram
domain of a relation
41. A subset of a set is
never divide by zero
a set
isosceles
polygon
42. Sum of an odd and an even number is
two solutions
even
odd
greater than c
43. 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.
b+d>c+e
set
altitude of a triangle
angle inscribed in semicircle
44. The distance from the center of the circle
sphere
equal to the slope of the other
cube
radius
45. Any integer is divisible by 3 - if
(x-y/x)100
square
the sum of its digits is divisible by 3
a set
46. Volume= 4/3?r² surface area= 4?r²
sphere
x + y
isosceles
1/2
47. (x+y) (x-y)
inverse of a relation
x²-y²
x + y
rectangular solid
48. 1/an
solution set
a?n
±vx
circle
49. If y²= x - then y =
diagonal of a square
belongs to
±vx
v3/2 or .87
50. V10
a+b+d=c+d
itself
triangle
3.16
Sorry!:) No result found.
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