Could you attach an image of the slope? Because i dunno what lesson you're on....
:/
Answer:
add the negative to the 0 that is left alone at the end then carry the x2 over to the side bringing it down with the x and cancel them taking away the 2. the answer is -1
Step-by-step explanation:
ANSWER
The vertex is (1,-3)
EXPLANATION
The given parabola has equation:

We group the variables to obtain:

We complete the square to get,



The vertex is of the parabola is (1,-3)
It is B.
This is because the formula for area of a triangle is A=1/2bh
323 = 1/2 (38) h
323= 19h
323/19 = 17