Answer:
wit what
Step-by-step explanation:

Taking the square root of both sides gives two possible cases,

or

Recall that

If
and
, we have

so in the equations above, we can write

Then in the first case,


(where
is any integer)


and in the second,




Then the solutions that fall in the interval
are

Answer:
x is 16
Step-by-step explanation:
Multiply the 2/5 by 8/8 and you should get 16/40
Hope this helped!
The correct answer to this problem would be -3. Based on the points you've provided on the graph, -3 would be the correct common difference. :)