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Graph f(x)=4x2+20x+16​

User Cameron Tinker
by
2.5k points

1 Answer

22 votes
22 votes

Direction: Opens Up

Vertex:

(

5

2

,

49

)

Focus:

(

5

2

,

783

16

)

Axis of Symmetry:

x

=

5

2

Directrix:

y

=

785

16

Select a few

x

values, and plug them into the equation to find the corresponding

y

values. The

x

values should be selected around the vertex.

Tap for more steps...

x

y

4

40

3

48

5

2

49

1

40

0

24

Graph the parabola using its properties and the selected points.

Direction: Opens Up

Vertex:

(

5

2

,

49

)

Focus:

(

5

2

,

783

16

)

Axis of Symmetry:

x

=

5

2

Directrix:

y

=

785

16

x

y

4

40

3

48

5

2

49

1

40

0

24

image of graph

User Jessica Knight
by
2.5k points