Respuesta :

Answer:

A and B first choices .

Step-by-step explanation:

[tex]discriminate=B^2-4AC[/tex]

so, [tex]discriminate=12^2-4(9)(4)[/tex]

[tex]=0[/tex]

__________________

since discriminate is 0 , the equation has real and equal solutions  

Answer:

he is correct

Step-by-step explanation: