Question

o vertice da função do 2 grau f(x) =8x-3x-5 e? ​

Answer 1

8x^2-3x-5=0
a=8
b=-3
c=-5

x =- b/2a =-(-3)/2.8=3/16

y= -(b^2-4ac)/4a=-(-3^2-4.8.(-5)/4.8
y=-(9+160)/32

y=- 169/32


V=(3/16 ; -169/32)