Answer:
(2,-9)
Step-by-step explanation:
Set the quadratic equal to zero.

Factor

Set each of these factors to zero

and


and

Plot the midpoint of the two values.

So the middle term is 2 and the other terms are 5 and -1.
Now the vertex is

So the vertex is
(2,-9)
Answer:
22
Step-by-step explanation:
51-29 is 22
I'm not sure what you do with the whole numbers but 0.8 is 80% and 82% is higher than 80% so its not 0.8
<span>3 5/6 - 3/4
=</span><span>3 10/12 - 9/12
= 3 1/12
answer
</span><span>B. 3 1/12 </span>
Answer:

Step-by-step explanation:
