Step-by-step explanation:
From the Pythagorean theorem we have:
<em>subtract b² from both sides</em>

Same:

The third set is equivalent to
2x + y = 2
2x + y = -2
clearly inconsistent.
the other 2 coordinates are option C
Answer:
Step-by-step explanation:
me too..
I am not positive for the factoring of each expression but for the distributive property you do 8 TIMES x then 8 times 7 so you would get blank plus blank and so on for the next ones.