The square root of -1 is i. So you can simplify it to 7(sqrt)-1, which becomes 7i.
Answer:
1. [-1,10]
[-3, 9]
2. [-1, 5]
[-12,20]
3. [-6,15]
[-13,19]
4. (I cant read)
5. [30]
6.[20,-10]
[-20,10]
Step-by-step explanation:
Answer:
Brainleist!
Step-by-step explanation:
vertex (h,k)
h= -b/4a
k= c -b^2/4a
solve and you get (2,17)
The answer would be 240,000