Hey there!


-x^2 - 2x + 7
To find the vertex, you will rewrite in the vertex form.
f(x) = -(x+1)^2+8
(-1,8)
Hope this helps!
<span>Which ratio is equivalent to 21:56
</span>
Answer: 3:8
Answer: It's 18%
Step-by-step explanation:
Answer:
x wouls be 0
Step-by-step explanation: