Question

Please help asap 25 pts

Answer 1

`y=ax^2+bx+c\\\\\text{Axis of symmetry:}\ x=(-b)/(2a)`



`\text{We have:}\\\\y=4x^2+16x-18\\\\a=4;\ b=16;\ c=-18\\\\x=(-16)/(2\cdot4)=(-16)/(8)=-2`

Answer: A.