Answer:
B. Y= x^2+4x+6
Step-by-step explanation:
You plug in the numbers into the quadratic formula.
a=1 b=4 c=6
Answering from phone so this will be a bit messy.
a
b=a+1
c=b+1=a+2
2a=b+20
Therefore:
2a=a+1+20
a=21,b=22,c=23
now, the one below that, which is equivalent to that? well, just look above it
5-2 5/16
Convert the second term to improper fraction;
5-
=
=
=2