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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. The sume of x and y
equilateral triangle
x + y
cylinder
n= mx/100
2. If two lines are parallel - the slope of one is
xy
x and y
x-y
equal to the slope of the other
3. V10
odd
range of a relation
all acute angles are equal and all obtuse angles are equal
3.16
4. The product of an odd number of negative numbers is
negative
reflex angle
right triangle
inconsistent lines
5. 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
standard deviation
regular polygon properties
the third side
6. Any arc length is less than
combinations
360 degrees
diagonal of a square
x>y
7. Then their intersection is the null or empty set - written as Ø
even
similar triangles
or
if two sets have no elements in common
8. /100 (the ______ number over 100)
two solutions
radius of a circle
percent
the last digit is 0
9. Any integer is divisible by 9 - if
triangle or straight line
right triangle
the sum of its digits is divisible by 9
0 - 2 - 4 - 6 - 8
10. xn<0 if n is odd and xn>0 if n is even
right triangle
y-x
x + y
x<0
11. Set of solutions to an equation
solution set
perpendicular bisectors
similar triangles
diameter of circle
12. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
x is greater than y
right triangle
equal to the sum of the measures of the remote exterior angles
v3/2 or .87
13. 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.
equal
altitude of a triangle
v3/2 or .87
perpendicular bisectors
14. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower
22/7 or 3.14
isosceles triangle
b is the y-intercept
approx square roots
15. x/100
or
22/7 or 3.14
perpendicular bisectors
x percent
16. V2
inverse of a relation
1.4
similar triangles
all acute angles are equal and all obtuse angles are equal
17. 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
the last digit is either 0 or 5
properties of parallelograms
simultaneous equations in 2 unknowns
x²-2xy+y²
18. A°
when finding a solution set
hexagon
1
a<x<b
19. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
relation
find the intersection of two sets
triangle
isosceles triangle
20. Volume= 4/3?r² surface area= 4?r²
sphere
commutative axiom of addition and multiplication
n percent less than x
xy + xz
21. A/A¹ = B/B¹= C/C¹
closed set
x>y>0 and w>z>0
radius
similar triangles
22. Integer is divisible by 2
distributive axiom
if the last digit of the number is 0 -2 -4 -6 -8
(x-y/x)100
w<0 and x>y
23. x > y or y< x
v2/2 or .71
regular polygon properties
altitude of a triangle
x is greater than y
24. The percent increase from x to y (y>x)
(y-x/x)100
all acute angles are equal and all obtuse angles are equal
v3/2 or .87
1.4
25. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.
properties of a rhombus
regular polygon properties
all acute angles are equal and all obtuse angles are equal
x²+ 2xy+y²
26. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
right triangle
expression of an even number
area of a triangle
27. Product of two odd numbers is
a relation is a function
and
odd
(x-y/x)100
28. y<x
x>y
or
right triangle
square
29. Side a +side b of a ? is
x + y
-y
greater than c
inverse of a relation
30. Product of an even number and any other number is
quadratic equations
distributive axiom
the sum of its digits is divisible by 9
even
31. 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
associative axiom of addition and multiplication
the percent of increase
never divide by zero
finding the union of sets
32. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
inverse of a relation
approx products
the percent of decrease
trapezoid
33. Any integer is divisible by 6 if
greater than c
percent
it is also divisible by 2 and 3
right angle
34. C²= a²+b² and angle x and y are equal to 90°
right triangle
diameter
inscribed angle
the percent of decrease
35. Any integer is divisible by 10 - if
±vx
the last digit is 0
isosceles triangle
even
36. 1/2d
cylinder
radius of a circle
x²+ 2xy+y²
y intercept
37. Area= 1/2bh perimeter= a+b+c
x>y
properties of a rectangle
obtuse angle
triangle
38. In a triangle - the greatest angles lies
all acute angles are equal and all obtuse angles are equal
diameter
opposite the greatest side
equal to the sum of the measures of the remote exterior angles
39. All three sides and all three angles are equal
x>y and w>z
simultaneous equations in 2 unknowns
equilateral triangle
coinciding lines
40. Any integer is divisible by 4 - if
x is less than y
the last two digits of the number make a number that is divisible by 4
parallel
straight angle
41. Is the set of the second components of the ordered pairs
range of a relation
inscribed angle
3.16
y angle< x angle
42. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
associative axiom of addition and multiplication
right triangle
even
the percent of increase
43. (x+y)(x+y)= (x+y)²
odd
x²+ 2xy+y²
xy< 0
slope of a line joining two points
44. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
the percent of increase
altitude of a triangle
set
equilateral triangle
45. 1/an
1
hemisphere
x - y
a?n
46. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
pythagorean theorem
+y
radius of a circle
47. The difference between x and y
x - y
always positive or zero
c x (john'S age)
a relation is a function
48. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
y-x
v(x2-x1)²+ (y2-y1)²
altitude of a triangle
range of a relation
49. ? if a side < b side - then
finding the union of sets
y angle< x angle
the sum of parts
domain of a relation
50. Which - what
probability
any variable
obtuse angle
then side b > side a