Answer:
Now, I ain't tryin' to sound mean or standoff-ish but I'm pretty sure Wikipedia could answer this question for you
5k-4k=-1+-1
k=-2, its all aboit rearranging the order of numders based on there like terms. If you need any more help ask.
Answer:
46%
Step-by-step explanation:
You subtract the old by new then devide by the old and multiply by 100%
The vertex would be at (5,-2)
Depends on what place you are rounding to. you would usually drop them