Write the function f (x) = x^2-4x-7 in vertex form if the vertex is (2,-11).

Question

Mathematics

Gardner

21 February, 09:29

Write the function f (x) = x^2-4x-7 in vertex form if the vertex is (2,-11).

+2

Answers (1)

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Troy Mills · Answer 1

Step-by-step explanation:

vertex form Equation of the Parabola is

y

=

a

(

x

-

h

)

2

+

k

F

(

x

)

=

x

2

-

4

x

-

7

=

x

2

-

4

x

+

4

-

4

-

7

=

(

x

-

2

)

2

-

11

This is the vertex form Equation of the Parabola

F

(

x

)

where

h

=

2

and

k

=

-

11

and Parabola opens

u

p

since

a

=

1

is positive