Question

$fx= 2x {2}$
​

Answer 1

Step-by-step explanation:

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Algebra Examples

Popular Problems Algebra Graph f(x)=-2x^2

f

(

x

)

=

−

2

x

2

Find the properties of the given parabola.

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Direction: Opens Down

Vertex:

(

0

,

0

)

Focus:

(

0

,

−

1

8

)

Axis of Symmetry:

x

=

0

Directrix:

y

=

1

8

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.

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x

y

−

2

−

8

−

1

−

2

0

0

1

−

2

2

−

8

Graph the parabola using its properties and the selected points.

Direction: Opens Down

Vertex:

(

0

,

0

)

Focus:

(

0

,

−

1

8

)

Axis of Symmetry:

x

=

0

Directrix:

y

=

1

8

x

y

−

2

−

8

−

1

−

2

0

0

1

−

2

2

−

8