Question

How to solve f(x)=x2-8x+5

Answer 1

Graph the parabola using its properties and the selected points.

Direction: Opens Up

Vertex:  

(

4

,

−

11

)

Focus:  

(

4

,

−

43

4

)

Axis of Symmetry:  

x

=

4

Directrix:  

y

=

−

45

4

x

y

2

−

7

3

−

10

4

−

11

5

−

10

6

−

7