👤

quadratic equation of
a=1 b=5 c=4
a=2 b=1 c=-21
a=4 b=4 c=1
a=1 b=-2 c=-2
a=8 b=0 c=16​


Sagot :

Answer:

a=1 b=5 c=4 2. a=2 b=1 c=-21 3. a=4 b=4 c=1 4. a=1 b=-2 c=-2 5. a=9 b=0 c=16