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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
x>y>0 and w>z>0
distributive axiom
properties of a rhombus
1 - 3 - 5 - 7 - 9
2. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
v3/2 or .87
(x-y/x)100
xy
right triangle
3. 180°
triangle or straight line
similar triangles
x + y
inverse of a relation
4. 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
properties of a square
the sum of its digits is divisible by 9
when finding a solution set
Axioms
5. Diagonal= sv2
perpendicular bisectors
3.16
diagonal of a square
belongs to
6. When the elements of a set are ordered pairs
x²-y²
finding the union of sets
relation
perpendicular bisectors
7. 1-1-v2 (90-45-45)
right triangle
if two sets have no elements in common
rectangle
obtuse angle
8. x less than y
y-x
permutations
right triangle
average
9. Angles that equal 180 degrees
tangent
1/2
implies
supplementary angles
10. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.
finding the union of sets
the percent of increase
central angle
right triangle
11. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.
perpendicular bisectors
right triangle
right triangle
equal angles
12. Area= l x w perimeter = (2l)(2w)
pythagorean theorem
x<0
equilateral triangle
rectangle
13. ?
or
x and y
finding the union of sets
angle
14. Any arc length is less than
360 degrees
y-x
x-y/xy
x and y
15. Diagonals are perpendicular to each other and bisect the vertex angles 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 diagonal
itself
(y-x/x)100
properties of a rhombus
equilateral triangle
16. 1-v3- 2 (90-30-60)
right triangle
isosceles triangle
area of a triangle
expression of an even number
17. N is what % of m
n= mx/100
chord
xy< 0
supplementary angles
18. 1/y-1/x x -y ? 0
xy + xz
perpendicular bisectors
x-y/xy
cube
19. (x-y)(x-y) = (x-y)²
xy-xz
obtuse angle
midpoint of a line segment joining 2 parts
x²-2xy+y²
20. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
properties of a rectangle
slope of a line joining two points
associative axiom of addition and multiplication
negative
21. Two tangents to a circle from the same point outside of the circle are always
equal
c x (john'S age)
null set
x<0
22. x - (n/100)x
sphere
triangle
coinciding lines
n percent less than x
23. x²
y angle< x angle
1 - 3 - 5 - 7 - 9
the square of x
the last digit is 0
24. In transversals
similar triangles
equals
all acute angles are equal and all obtuse angles are equal
even
25. x more than y
n percent less than x
x + y
central angle
rectangular solid
26. x/100
right triangle
x percent
the last three numbers are divisible by 8
the last two digits of the number make a number that is divisible by 4
27. Any integer is divisible by 10 - if
the last digit is 0
x + y
equilateral triangle
or
28. y years from now
+y
coinciding lines
±vx
even
29. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
inconsistent lines
obtuse angle
probability
w<0 and x>y
30. 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
inconsistent lines
square
inscribed angle
x>y>0 and w>z>0
31. Is - as - was - has - cost
x - y
always positive or zero
equals
xy + xz
32. x>0 and y<0 or x<0 and y >0
it is also divisible by 2 and 3
right triangle
xy< 0
a side< b side
33. Sin 60°
x>y
cube
all acute angles are equal and all obtuse angles are equal
v3/2 or .87
34. A¹
circle
a
domain of a relation
the last three numbers are divisible by 8
35. ?
22/7 or 3.14
y angle< x angle
x + y
consistent lines
36. y<x
x>y
the third side
xy>0
negative
37. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
semicircle
similar triangles
right angle
if the last digit of the number is 0 -2 -4 -6 -8
38. If y²= x - then y =
b is the y-intercept
square
a<x<b
±vx
39. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
b+d>c+e
hemisphere
(x-y/x)100
3.16
40. Wx>wy
w>0 and x>y
properties of a square
x percent
tangent
41. 1-1-1 (60-60-60)
equilateral triangle
1.7
a
parallelogram
42. 2k
properties of a square
probability
expression of an even number
if two sets have no elements in common
43. When two parallel lines are crossed by a third straight line (transversal) - then
all acute angles are equal and all obtuse angles are equal
(x-y/x)100
the percent of decrease
and
44. x/100
expression of an even number
x%
x and y
straight angle
45. The distance from the center of the circle
x²-y²
radius
c x (john'S age)
null set
46. The product of an even number of negative numbers is
all acute angles are equal and all obtuse angles are equal
x²-y²
even
positive
47. If b²-4ac < 0 - there are
b is the y-intercept
perpendicular bisectors
finding the union of sets
no solutions
48. Is the set of the second components of the ordered pairs
range of a relation
the percent of decrease
trapezoid
the sum of its digits is divisible by 3
49. xn<0 if n is odd and xn>0 if n is even
x<0
opposite the greatest side
(y-x/x)100
range of a relation
50. 8-15-17
right triangle
square
rectangle
22/7 or 3.14