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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. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
-y
semicircle
right triangle
find the intersection of two sets
2. (sum of individual quantities or measures/ total number of quantities or measures)
average
isosceles
the third side
1
3. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
angle inscribed in semicircle
pythagorean theorem
circle
w<0 and x>y
4. Is the relation with ALL ordered pairs REVERSED.
inverse of a relation
properties of a rectangle
perpendicular
midpoint of a line segment joining 2 parts
5. If the base angles of a triangle are equal - the triangle is
isosceles
(y-x/x)100
cylinder
v(x2-x1)²+ (y2-y1)²
6. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -
x intercept
commutative axiom of addition and multiplication
determining if a number is prime
1 - 3 - 5 - 7 - 9
7. 1/an
isosceles triangle
a?n
finding the union of sets
quadratic equations
8. A chord through the center of the circle
it is also divisible by 2 and 3
x + y
radius of a circle
diameter
9. V10
3.16
n= mx/100
x intercept
similar triangles
10. 180°
solution set
1 - 3 - 5 - 7 - 9
straight angle
hemisphere
11. The distance from the center of the circle
equal
greater than c
radius
x + y
12. x²
the square of x
belongs to
square
acute angle
13. Wx<wy
range of a relation
x and y
x - y
w<0 and x>y
14. In a triangle - if ?c(interior angle in triangle) and ?d(exterior angle out of triangle) are supplmentary angles - than ?a and ?b are remote interior angles to <d - thus - a +b+c = 180 (triangle) c+d = 180 (supplementary angles)
angle a and angle b = angle d
right triangle
1.7
rectangle
15. The increase from x to y
greater than c
y-x
x>y
combinations
16. 2k + 1
expression of an odd number
a?n
right angle
standard deviation
17. ?
never divide by zero
perpendicular
if the last digit of the number is 0 -2 -4 -6 -8
(x/100)m= n
18. If y²= x - then y =
±vx
central angle
1.4
cube
19. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result
x>y and y>z
y intercept
radius of a circle
standard deviation
20. Of
supplementary angles
times
right triangle
standard deviation
21. x more than y
the last digit is either 0 or 5
x + y
right triangle
solution set
22. The percent decrease from x to y ( y<x)
(x-y/x)100
right triangle
supplementary angles
right triangle
23. 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.
polygon
n= mx/100
right triangle
equal
24. All odd numbers end in the digits of
the last digit is 0
1 - 3 - 5 - 7 - 9
1
expression of an even number
25. The sum of any two sides of a triangle is greater than
any variable
y-x
acute angle
the third side
26. 1/2bh
c x (john'S age)
area of a triangle
x - y
properties of a rectangle
27. Volume= e(edge)³ surface area= 6e²
cube
implies
negative
xy + xz
28. 3(4+1)= 3 x 4 + 3 x 1
distributive axiom
w>0 and x>y
the percent of increase
x²-y²
29. 5-12-13
x is less than y
right triangle
x>y
x<0
30. A line that is perpendicular to a radius and that passes through only one point of the circle.
pythagorean theorem
tangent
distributive axiom
approx products
31. 8-15-17
right triangle
isosceles triangle
diameter
set
32. A¹
positive
a
null set
regular polygon properties
33. x > y or y< x
diameter of circle
x is greater than y
right angle
x-y/xy
34. x +z > y+z
central angle
inverse of a relation
no solutions
x>y
35. z>y
never divide by zero
equilateral triangle
x-y/xy
x<0 and z=x+y
36. (x+y) (x-y)
b+d>c+e
x²-y²
360 degrees
supplementary angles
37. 180°
triangle or straight line
one solution
b+d>c+e
x percent
38. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
(x-y/x)100
right triangle
v2/2 or .71
39. Any integer is divisible by 4 - if
y intercept
average
x-y/xy
the last two digits of the number make a number that is divisible by 4
40. 7-24-25
even
right triangle
x-y/xy
x>y and w>z
41. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
when finding a solution set
the third side
set
chord
42. 1-1-v2 (90-45-45)
if two sets have no elements in common
x + y
equals
right triangle
43. The point where the line crosses the x-axis - y will always = 0 in this case
right triangle
x and y
x intercept
circle
44. The difference between x and y
properties of a rhombus
equal angles
odd
x - y
45. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.
tangent
domain of a relation
medians of a triangle
inscribed angle
46. ?
standard deviation
diameter of circle
the percent of increase
belongs to
47. 2k
(x-y/x)100
equal angles
x is greater than y
expression of an even number
48. Sum of an odd and an even number is
odd
right triangle
or
+y
49. 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
right triangle
percent
closed set
inscribed angle
50. 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
cylinder
xy>0
properties of a square
hemisphere