Question

Determine a função quadrática representada na figura:

Answer 1

y= a.(x -x').(x -x")

2= a.(0 +1/2).(0 -2)

2= a.(-1)

a= -2

y= a.(x -x').(x -x")

y= -2.(x +1/2).(x -2)

y= (-2x -1).(x -2)

y= -2x²+4x -x+2

y= -2x² +3x +2 <======©