
For

the derivative is negative.
For

the derivative is positive.
Therefore at

there's a minimum.
I believe the answer should be 2
Hi there!
For congruent triangles, all angle measures and sides are congruent. So, if you look at the other triangle, and find the corresponding side, it will be the same measure.
Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
Answer:

a = 1
b=0
c= -16
i assume the next question is to factor that...
(x-4)(x+4)
Step-by-step explanation: