Answer:

Step-by-step explanation:
We want to find
.
can be written as
, so we can now write our original equation as:
.
We can combine like terms: 
Hope this helps!
Answer:
-1.5
Step-by-step explanation:
8÷12 is 1.5 and 4÷12 is 3 so 1.5-3 is -1.5
Answer:
A
Step-by-step explanation:
Difference between (x) & (x')
P - P' = (2 - (-6) , 2 - 2) = (-8,0)
Q - Q' = (5 - (-3), 2 - 2) = (-8,0)
etc...
Always get (-8,0) hence -8 in x-direction
Answer:
B
Step-by-step explanation:
as it says 3 everytime the x increase by 1