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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. Sin 30°
1/2
odd
x is less than y
is a subset of
2. x less than y
y-x
rectangular solid
pythagorean theorem
vertical angles
3. Any arc length is less than
coinciding lines
360 degrees
w>0 and x>y
right triangle
4. Diagonal= sv2
triangle or straight line
1 - 3 - 5 - 7 - 9
diagonal of a square
domain of a relation
5. If an equation can be put into the form y= mx +b - then
xy + xz
b is the y-intercept
x²-y²
negative
6. Any integer is divisible by 9 - if
the sum of its digits is divisible by 9
percent
equal to the sum of the measures of the remote exterior angles
right triangle
7. x/100
x%
midpoint of a line segment joining 2 parts
right triangle
properties of a rhombus
8. (amount of increase/original amount) x 100
inscribed angle
inconsistent lines
altitude of a triangle
the percent of increase
9. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
the third side
a relation is a function
v(x2-x1)²+ (y2-y1)²
belongs to
10. ?
x²-2xy+y²
any variable
or
equal
11. (x+y)(x+y)= (x+y)²
y angle< x angle
1.4
pythagorean theorem
x²+ 2xy+y²
12. y years ago
x + y
the sum of its digits is divisible by 9
-y
x is less than y
13. Any integer is divisible by 4 - if
0 - 2 - 4 - 6 - 8
a side< b side
one solution
the last two digits of the number make a number that is divisible by 4
14. A/A¹ = B/B¹= C/C¹
x - y
n percent greater than x
similar triangles
diagonal of a square
15. All three sides and all three angles are equal
n= mx/100
quadratic equations
equilateral triangle
right triangle
16. A chord through the center of the circle
diameter
+y
right triangle
xy< 0
17. ?
hexagon
is a subset of
coinciding lines
x percent
18. Is always a right angle.
angle inscribed in semicircle
x - y
b is the y-intercept
(x/100)m= n
19. xw> yz
diagonal of a square
x>y>0 and w>z>0
equal
1.4
20. 1-v3- 2 (90-30-60)
the sum of parts
right triangle
range of a relation
distributive axiom
21. 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.
hexagon
x²-2xy+y²
no solutions
then side b > side a
22. z>y
x>y and y>z
greater than c
-y
x<0 and z=x+y
23. (sum of individual quantities or measures/ total number of quantities or measures)
isosceles triangle
equilateral triangle
x - y
average
24. 9-40-41
3.16
right triangle
x is greater than y
itself
25. Any integer is divisible by 5 if
square
even
the last digit is either 0 or 5
(x-y/x)100
26. 1-1-1 (60-60-60)
the sum of its digits is divisible by 9
v3/2 or .87
equilateral triangle
perpendicular bisectors
27. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
permutations
any variable
similar triangles
isosceles
28. 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
semicircle
consistent lines
standard deviation
negative reciprocal of the other
29. 3-4-5
right triangle
inconsistent lines
distributive axiom
xy + xz
30. y years from now
+y
positive
expression of an even number
isosceles
31. The product of an odd number of negative numbers is
set
negative
x²-y²
even
32. C²= a²+b² and angle x and y are equal to 90°
approx square roots
even
xy>0
right triangle
33. 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)
medians of a triangle
angle a and angle b = angle d
simultaneous equations
3.16
34. Sum of an odd and an even number is
odd
equals
triangle
the third side
35. What % of m is n
(x/100)m= n
any variable
sphere
when finding a solution set
36. If two lines are perpendicular - the slope of one is the
finding the union of sets
negative reciprocal of the other
v3/2 or .87
it is also divisible by 2 and 3
37. 2k + 1
find the intersection of two sets
diagonal of a square
expression of an odd number
consistent lines
38. The angles opposite to sides that are equal in length have
the sum of parts
negative
equal angles
cube
39. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places
x-y
approx products
right triangle
a set
40. Less than 90°
(x/100)m= n
xy-xz
b is the y-intercept
acute angle
41. The point where the line crosses the y-axis - x will always = 0 in this case
right triangle
isosceles
implies
y intercept
42. ?
n percent less than x
chord
22/7 or 3.14
x-y/xy
43. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
the percent of decrease
inconsistent lines
coinciding lines
obtuse angle
44. Any integer is divisible by 8 if
180 degrees
solution set
the last three numbers are divisible by 8
y-x
45. | |
parallel
expression of an even number
expression of an odd number
1.4
46. One angle is equal 90° and the other two angles are equal to the sum of 90°
w>0 and x>y
simultaneous equations in 2 unknowns
right triangle
x<0
47. xn<0 if n is odd and xn>0 if n is even
x<0
x²-y²
set
any variable
48. (amount of decrease/original amount) x 100
the percent of decrease
x is greater than y
x²+ 2xy+y²
v2/2 or .71
49. 180°
triangle or straight line
expression of an odd number
right triangle
a side< b side
50. V3
1.7
diameter
consistent lines
angle bisector