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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 even numbers end in the digits of
0 - 2 - 4 - 6 - 8
right triangle
probability
y-x
2. x + y
x>y and w>z
n percent greater than x
x and y
x>y
3. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
x-y
it is also divisible by 2 and 3
inconsistent lines
parallelogram
4. The sum of any two sides of a triangle is greater than
xy>0
(x-y/x)100
even
the third side
5. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
inscribed angle
radius of a circle
right triangle
obtuse angle
6. A chord through the center of the circle
null set
opposite the greatest side
circle
diameter
7. Integer is divisible by 2
right triangle
a?n
a set
if the last digit of the number is 0 -2 -4 -6 -8
8. If two lines are perpendicular - the slope of one is the
negative reciprocal of the other
relation
greater than c
±vx
9. y years from now
vertical angles
perpendicular
is a subset of
+y
10. 180°
triangle or straight line
approx square roots
inverse of a relation
range of a relation
11. Intersect at only one point - the point is the only solution to the pair of equations
permutations
equal angles
consistent lines
x²-y²
12. When two parallel lines are crossed by a third straight line (transversal) - then
is a subset of
a
all acute angles are equal and all obtuse angles are equal
Axioms
13. 1-v3- 2 (90-30-60)
the sum of parts
properties of a rectangle
one solution
right triangle
14. R²
diameter of circle
1.7
x+y/xy
b is the y-intercept
15. Product of an even number and any other number is
the last digit is either 0 or 5
diameter of circle
regular polygon properties
even
16. ?
closed set
angle
vertical angles
percent
17. V3
1.7
polygon
y angle< x angle
right triangle
18. B²-4ac = 0 there is
perpendicular
x>y>0 and w>z>0
one solution
v2/2 or .71
19. 2k + 1
polygon
equal angles
expression of an odd number
right triangle
20. (amount of decrease/original amount) x 100
the percent of decrease
tangent
1.7
equal to the sum of the measures of the remote exterior angles
21. (amount of increase/original amount) x 100
the perpendicular distance
or
the percent of increase
acute angle
22. 1/an
x-y/xy
right triangle
xy>0
a?n
23. If two lines are parallel - the slope of one is
the sum of parts
equal to the slope of the other
standard deviation
y intercept
24. Sin 30°
even
180 degrees
1/2
the last digit is 0
25. 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 two pairs of congruent triangles
triangle
a<x<b
properties of parallelograms
x+y/xy
26. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
b+d>c+e
expression of an odd number
equilateral triangle
medians of a triangle
27. Any number squared or raised to an even power is
triangle
(x-y/x)100
always positive or zero
expression of an odd number
28. x + (n/100)x
±vx
n percent greater than x
(x/100)m= n
implies
29. The point where the line crosses the x-axis - y will always = 0 in this case
x intercept
-y
circle
medians of a triangle
30. If b²-4ac < 0 - there are
null set
no solutions
the last two digits of the number make a number that is divisible by 4
diameter
31. The angles opposite to sides that are equal in length have
equal angles
(y-x/x)100
polygon
probability
32. 90°
sphere
pythagorean theorem
the square of x
right angle
33. ?
x²-y²
1.4
is a subset of
average
34. (x+y) (x-y)
x²-y²
similar triangles
right triangle
even
35. Diagonal= sv2
diagonal of a square
(x-y/x)100
Axioms
the third side
36. Any line that connects two points on a circle.
180 degrees
altitude of a triangle
triangle
chord
37. 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.
x - y
perpendicular
altitude of a triangle
x and y
38. 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.
square
even
polygon
one solution
39. ?
xy-xz
positive
belongs to
inverse of a relation
40. Area= bh perimeter= 2a +2b
parallelogram
the sum of its digits is divisible by 9
obtuse angle
percent
41. ?
diameter
right triangle
or
a set
42. Is always a right angle.
Axioms
(y-x/x)100
angle inscribed in semicircle
determining if a number is prime
43. 1/x + 1/y x -y ? 0
x+y/xy
inverse of a relation
properties of a rectangle
the sum of its digits is divisible by 3
44. Is the set of the first components of the ordered pairs.
x is less than y
domain of a relation
probability
area of a triangle
45. In a triangle - the greatest angles lies
relation
1/2
any variable
opposite the greatest side
46. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
area of a triangle
similar triangles
standard deviation
equal
47. Two tangents to a circle from the same point outside of the circle are always
equal
probability
hemisphere
22/7 or 3.14
48. x younger than y
x - y
sphere
a
circle
49. One angle is equal 90° and the other two angles are equal to the sum of 90°
altitude of a triangle
right triangle
properties of parallelograms
supplementary angles
50. x less than y
the perpendicular distance
(y-x/x)100
approx sums
y-x