Ratio
What is a RATIO?
The comparison of 2 items
What is a Proportion?
Relationship of 2 numbers
Name the 2 symbols used in inequalities
< less then
> greater than
What is the Formula?
a+(n-1)xd
List the Domain?
(3,20 (2,7) (8, 9) (1, 7)
2,3,7,8
I have 5 dogs, my friend has 3 cats. Whats the ratio of cats to dogs?
3:5, 3 to 5, 3/5
Solve the proportion
x/2=6/12
x=1
x is less than 99
is the dot open or closed?
which direction does the arrow go?
Open
to the Left
2,4,6,8
what is the 33rd term
67
Is the following a function?
(2,2) (7,8) (8,4) (6,3) (-2,2)
Yes
If there are 7 girls and 8 boys on the school’s track team, what is the ratio of girls to boys?
7:8, 7 to 8, 7/8
solve 7/x+9=7/12
x=3
0>-5x-6x
11>x
5,10,15,20
what is the 100th term?
500
List the Domain.
(3,0) (4,9) (2,7) (4,4)
0,4,7,9
What are the 3 ways to write a Ratio?
:, to, /
x-3/5=6/10
x=6
5k-2k>-9
x=-3
3,7,11,15
Find the 85th term
333
List Domain and Range in order from Least to Greatest
(6,6) (3,7) (-9, 3) (15, 4) (-1, 5)
D= -9, -1, 3,6,15
R= 3,4,5,6,7