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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. (sum of individual quantities or measures/ total number of quantities or measures)
triangle
average
3.16
domain of a relation
2. 90°
±vx
coinciding lines
right angle
v2/2 or .71
3. ?
or
associative axiom of addition and multiplication
x>y
cylinder
4. A/A¹ = B/B¹= C/C¹
x intercept
acute angle
if the last digit of the number is 0 -2 -4 -6 -8
similar triangles
5. The product of an even number of negative numbers is
approx square roots
radius
positive
(y-x/x)100
6. 7-24-25
right triangle
the last digit is 0
±vx
trapezoid
7. ?if y angle< x angle - then
properties of parallelograms
a side< b side
x and y
even
8. x older than y
hemisphere
belongs to
altitude of a triangle
x + y
9. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
finding the union of sets
two solutions
greater than c
semicircle
10. 3-4-5
right triangle
1.7
all acute angles are equal and all obtuse angles are equal
expression of an odd number
11. The point where the line crosses the x-axis - y will always = 0 in this case
x intercept
xy< 0
expression of an even number
x>y
12. Sum of an odd and an even number is
parallel
central angle
22/7 or 3.14
odd
13. ? if a side < b side - then
y-x
y angle< x angle
right triangle
v2/2 or .71
14. The product of an odd number of negative numbers is
negative
the last digit is either 0 or 5
circle
right triangle
15. If an equation can be put into the form y= mx +b - then
x>y and y>z
b is the y-intercept
acute angle
xy + xz
16. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
right triangle
parallel
(x/100)m= n
equilateral triangle
17. All three sides and all three angles are equal
angle a and angle b = angle d
angle inscribed in semicircle
equilateral triangle
simultaneous equations in 2 unknowns
18. Every set is a subset of
expression of an even number
itself
x<0 and z=x+y
consistent lines
19. 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.
altitude of a triangle
equal
cylinder
right triangle
20. Any integer is divisible by 3 - if
consistent lines
the sum of its digits is divisible by 3
sphere
closed set
21. 1/an
even
consistent lines
xy + xz
a?n
22. xw> yz
altitude of a triangle
n percent greater than x
x>y>0 and w>z>0
b is the y-intercept
23. Product of two odd numbers is
find the intersection of two sets
right triangle
semicircle
odd
24. x(y-z)
(x-y/x)100
properties of a square
the percent of decrease
xy-xz
25. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
w<0 and x>y
find the intersection of two sets
x>y and w>z
y-x
26. Set of solutions to an equation
range of a relation
solution set
b is the y-intercept
even
27. x > y or y< x
the last two digits of the number make a number that is divisible by 4
x-y
times
x is greater than y
28. 2k + 1
Axioms
expression of an odd number
cube
x+y/xy
29. (x+y)(x+y)= (x+y)²
radius of a circle
set
parallel
x²+ 2xy+y²
30. Then their intersection is the null or empty set - written as Ø
if two sets have no elements in common
approx square roots
range of a relation
commutative axiom of addition and multiplication
31. y<x
when finding a solution set
tangent
central angle
x>y
32. 5-12-13
right triangle
y-x
any variable
angle bisector
33. All odd numbers end in the digits of
1 - 3 - 5 - 7 - 9
negative
equilateral triangle
equal to the slope of the other
34. If b²-4ac < 0 - there are
1 - 3 - 5 - 7 - 9
no solutions
y-x
even
35. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B
v3/2 or .87
x>y
finding the union of sets
any variable
36. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
xy-xz
area of a triangle
right triangle
semicircle
37. 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.
hemisphere
simultaneous equations
central angle
right triangle
38. V2/2- v2/2 - 1 (90-45-45)
hexagon
similar triangles
isosceles triangle
(y-x/x)100
39. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.
when finding a solution set
hexagon
180 degrees
a<x<b
40. Volume= e(edge)³ surface area= 6e²
and
cube
right triangle
diameter
41. ?
expression of an odd number
tangent
right triangle
is a subset of
42. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
midpoint of a line segment joining 2 parts
w<0 and x>y
-y
range of a relation
43. Is always a right angle.
rectangle
set
angle inscribed in semicircle
y angle< x angle
44. Two tangents to a circle from the same point outside of the circle are always
hemisphere
the third side
equal
odd
45. A line that is perpendicular to a radius and that passes through only one point of the circle.
medians of a triangle
a?n
tangent
polygon
46. 180°
triangle or straight line
domain of a relation
always positive or zero
x - y
47. (amount of increase/original amount) x 100
the percent of increase
regular polygon properties
approx products
properties of parallelograms
48. V3
obtuse angle
equilateral triangle
medians of a triangle
1.7
49. If two lines are parallel - the slope of one is
positive
y intercept
equal to the slope of the other
1.7
50. 180°
straight angle
diameter
associative axiom of addition and multiplication
if the last digit of the number is 0 -2 -4 -6 -8