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!
#1 would be 45 degrees because you divide 360 by 8.
Answer:
2y^2 +18x
Step-by-step explanation:
4y^2+6x-2y^2+12x
Combine like terms
4y^2-2y^2 +6x+12x
2y^2 +18x
The correct answer is B, sorry if it wasn't correct.
The circle’s circumference is 43.98. Hope this helps!