Answer is in the file below
linkcutter.ga/gyko
D, because the sum is no more than 28 so it could be equal or less than.
Answer:
Vertex form:
The vertex is 
Step-by-step explanation:
For a general quadratic function the form is:
For the function
The values of the coefficients for the function are the following:
,
,
Take the value of b and divide it by 2. Then, the result obtained squares it.
Add and subtract
Write the expression of the form
The vertex is 
Answer:
-1
Step-by-step explanation:
-2 divided by 2 = -1.
A negative divided by a positive equals a lesser negative.