Respuesta :

Answer:

x = - 2

Step-by-step explanation:

Given

y = 4x² + 16x - 18

with a = 4, b = 16 , then the equation of the axis of symmetry is

x = - [tex]\frac{b}{2a}[/tex] = - [tex]\frac{16}{8}[/tex] = - 2

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