..........................
Answer:
-4
Step-by-step explanation:
Answer:
I'm not sure if your asking for an entire equation but the points for the vertex would be (-3,-4)
Answer:
19) (
)^2 = 
20) -
= -81
21)
= 16
Step-by-step explanation:
The only wrong ones are
19) (
)^2 = 
20) -
= -81 ... negative is not inside a parenthesis that's why it is still negative
21) you can add another way is
= 16
Everything else looks good. Great job!