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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. A<x and x<b
expression of an odd number
similar triangles
relation
a<x<b
2. z>y
x<0 and z=x+y
the sum of its digits is divisible by 3
hemisphere
Axioms
3. Side a +side b of a ? is
and
right triangle
greater than c
if the last digit of the number is 0 -2 -4 -6 -8
4. The whole equals
the sum of parts
parallel
solution set
expression of an even number
5. V2/2- v2/2 - 1 (90-45-45)
no solutions
isosceles triangle
x>y and y>z
n percent less than x
6. If two lines are perpendicular - the slope of one is the
right triangle
equal to the sum of the measures of the remote exterior angles
negative reciprocal of the other
triangle
7. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
x>y
vertical angles
odd
1 - 3 - 5 - 7 - 9
8. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
diameter of circle
x + y
similar triangles
equilateral triangle
9. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
y-x
one solution
combinations
midpoint of a line segment joining 2 parts
10. ?
perpendicular
two solutions
tangent
or
11. Of
the last three numbers are divisible by 8
the square of x
the sum of parts
times
12. 1/y-1/x x -y ? 0
angle a and angle b = angle d
x-y/xy
all acute angles are equal and all obtuse angles are equal
w>0 and x>y
13. ?
(x-y/x)100
associative axiom of addition and multiplication
null set
is a subset of
14. All odd numbers end in the digits of
it is also divisible by 2 and 3
1.4
1 - 3 - 5 - 7 - 9
x - y
15. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
b+d>c+e
cylinder
(y-x/x)100
acute angle
16. Ax= by + C
v2/2 or .71
1
simultaneous equations in 2 unknowns
cube
17. 9-40-41
two solutions
the perpendicular distance
right triangle
always positive or zero
18. x>0 and y>0 or x<0 and y<0
xy
slope of a line joining two points
times
xy>0
19. The difference between x and y
right triangle
x - y
equal to the slope of the other
inconsistent lines
20. ?
belongs to
tangent
right triangle
all acute angles are equal and all obtuse angles are equal
21. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
c x (john'S age)
permutations
greater than c
x<0 and z=x+y
22. ?
the last digit is 0
if two sets have no elements in common
360 degrees
and
23. Sin 60°
odd
x²-2xy+y²
v3/2 or .87
right triangle
24. (sum of individual quantities or measures/ total number of quantities or measures)
vertical angles
average
determining if a number is prime
equilateral triangle
25. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
+y
right triangle
distributive axiom
isosceles
26. Volume=lwh surface area= 2wh + 2hl + 2lw
right triangle
percent
rectangular solid
greater than c
27. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
v(x2-x1)²+ (y2-y1)²
a set
distributive axiom
it is also divisible by 2 and 3
28. ?
implies
perpendicular
even
x²+ 2xy+y²
29. One angle is equal 90° and the other two angles are equal to the sum of 90°
right angle
right triangle
no solutions
rectangle
30. 8-15-17
right triangle
x²+ 2xy+y²
(y-x/x)100
x and y
31. x/100
x%
vertical angles
the percent of decrease
the last digit is either 0 or 5
32. All even numbers end in the digits of
triangle or straight line
0 - 2 - 4 - 6 - 8
right triangle
right triangle
33. M= y2-y1/x2-x1
if two sets have no elements in common
slope of a line joining two points
commutative axiom of addition and multiplication
solution set
34. The measure of an interior angle is
x percent
equal to the sum of the measures of the remote exterior angles
medians of a triangle
v(x2-x1)²+ (y2-y1)²
35. x>0 and y<0 or x<0 and y >0
positive
equilateral triangle
xy< 0
the percent of increase
36. 180°
x²-y²
diameter
triangle or straight line
area of a triangle
37. C²= a²+b² and angle x and y are equal to 90°
acute angle
even
right triangle
permutations
38. The sume of x and y
x + y
v2/2 or .71
tangent
properties of a rhombus
39. | |
simultaneous equations in 2 unknowns
(x-y/x)100
the last digit is either 0 or 5
parallel
40. 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.
if two sets have no elements in common
x>y>0 and w>z>0
angle bisector
one solution
41. 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*)
range of a relation
closed set
cylinder
is a subset of
42. What % of m is n
hexagon
approx sums
x and y
(x/100)m= n
43. 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
inscribed angle
properties of a rectangle
isosceles triangle
domain of a relation
44. 5-12-13
+y
if the last digit of the number is 0 -2 -4 -6 -8
right triangle
(x-y/x)100
45. The point where the line crosses the y-axis - x will always = 0 in this case
y intercept
a relation is a function
pythagorean theorem
properties of a square
46. Area= bh perimeter= 2a +2b
parallelogram
perpendicular bisectors
right triangle
belongs to
47. x + (n/100)x
x²+ 2xy+y²
sphere
n percent greater than x
w>0 and x>y
48. xw> yz
3.16
parallel
x>y>0 and w>z>0
all acute angles are equal and all obtuse angles are equal
49. ?
n= mx/100
perpendicular
1.4
obtuse angle
50. A subset of a set is
midpoint of a line segment joining 2 parts
a set
right triangle
medians of a triangle