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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. All odd numbers end in the digits of
(y-x/x)100
properties of a rectangle
1 - 3 - 5 - 7 - 9
equal to the sum of the measures of the remote exterior angles
2. 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.
coinciding lines
angle bisector
angle
the third side
3. 1/y-1/x x -y ? 0
midpoint of a line segment joining 2 parts
the sum of parts
x>y and y>z
x-y/xy
4. The point where the line crosses the y-axis - x will always = 0 in this case
1.7
a+b+d=c+d
y intercept
rectangle
5. The measure of an interior angle is
belongs to
it is also divisible by 2 and 3
equal to the sum of the measures of the remote exterior angles
finding the union of sets
6. Any number squared or raised to an even power is
distributive axiom
equilateral triangle
always positive or zero
range of a relation
7. In transversals
hemisphere
medians of a triangle
all acute angles are equal and all obtuse angles are equal
permutations
8. The quotient of any quantity (except 0) divided by zero is infinity
straight angle
never divide by zero
two solutions
x + y
9. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
n percent less than x
negative reciprocal of the other
x>y
associative axiom of addition and multiplication
10. (amount of decrease/original amount) x 100
cube
even
Axioms
the percent of decrease
11. Sum of two odd numbers is
associative axiom of addition and multiplication
the sum of its digits is divisible by 9
c x (john'S age)
even
12. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
right triangle
then side b > side a
a<x<b
midpoint of a line segment joining 2 parts
13. ?
belongs to
n= mx/100
expression of an odd number
right triangle
14. What % of m is n
angle
semicircle
(x/100)m= n
acute angle
15. 2k
the last digit is either 0 or 5
simultaneous equations in 2 unknowns
360 degrees
expression of an even number
16. Volume= 4/3?r² surface area= 4?r²
angle a and angle b = angle d
supplementary angles
sphere
negative
17. 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}
when finding a solution set
tangent
x>y
right triangle
18. Any integer is divisible by 5 if
the last digit is either 0 or 5
itself
3.16
y-x
19. Any integer is divisible by 3 - if
the sum of its digits is divisible by 3
x>y and y>z
when finding a solution set
equals
20. ?if y angle< x angle - then
hemisphere
a side< b side
1.4
parallel
21. The difference between x and y
x - y
combinations
x%
odd
22. The percent increase from x to y (y>x)
angle a and angle b = angle d
belongs to
(y-x/x)100
x>y
23. 3-4-5
right triangle
x>y>0 and w>z>0
x is less than y
expression of an even number
24. The product of x and y
approx products
x + y
xy
angle inscribed in semicircle
25. When the elements of a set are ordered pairs
perpendicular bisectors
vertical angles
relation
right angle
26. If b²-4ac < 0 - there are
combinations
3.16
no solutions
right triangle
27. Sin 45°
v2/2 or .71
sphere
area of a triangle
(x/100)m= n
28. Any arc length is less than
360 degrees
no solutions
y-x
times
29. Area= 1/2bh perimeter= a+b+c
right triangle
x + y
triangle
xy< 0
30. A subset of a set is
a set
a+b+d=c+d
right triangle
opposite the greatest side
31. Ax= by + C
simultaneous equations in 2 unknowns
y intercept
sphere
a set
32. x(y+z)
right triangle
never divide by zero
b is the y-intercept
xy + xz
33. y years ago
-y
equal
the square of x
isosceles triangle
34. ? if a side is equal to b side then - the opposite corresponding angles are
the third side
equal
right triangle
always positive or zero
35. 90°
inverse of a relation
x + y
right angle
and
36. 180°
x + y
180 degrees
triangle or straight line
equals
37. Is the set of the first components of the ordered pairs.
properties of a rhombus
y intercept
a relation is a function
domain of a relation
38. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
properties of a square
vertical angles
hemisphere
positive
39. The sum of the interior angles is
180 degrees
approx square roots
if the last digit of the number is 0 -2 -4 -6 -8
any variable
40. Any line that connects two points on a circle.
implies
chord
a
x<0 and z=x+y
41. V3
1.7
odd
positive
supplementary angles
42. V10
x and y
3.16
right triangle
isosceles triangle
43. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
set
w<0 and x>y
x-y
always positive or zero
44. x - (n/100)x
triangle or straight line
n percent less than x
the percent of decrease
-y
45. If y²= x - then y =
1.7
equal to the sum of the measures of the remote exterior angles
±vx
standard deviation
46. x/100
vertical angles
the sum of its digits is divisible by 9
x%
and
47. Area = ?r² circumference(perimeter)= 2?r
quadratic equations
circle
x>y and w>z
hemisphere
48. Volume= e(edge)³ surface area= 6e²
diameter of circle
expression of an odd number
cube
x>y
49. The distance from the center of the circle
radius
equilateral triangle
x²+ 2xy+y²
1.7
50. C²= a²+b² and angle x and y are equal to 90°
a set
n percent less than x
x²+ 2xy+y²
right triangle