F (x) = =x² + 10x-a

What is the vertex?

of

x

x

and

y

y

.

f

(

x

)

=

x

2

-

10

x

f (x) = x2-10x

Rewrite the equation in vertex form.

Tap for more steps ...

y

=

(

x

-

5

)

2

-

25

y = (x-5) 2-25

Use the vertex form,

y

=

a

(

x

-

h

)

2

+

k

y=a (x-h) 2+k

, to determine the values of

a

a

,

h

h

, and

k

k

.

a

=

1

a=1

h

=

5

h=5

k

=

-

25

k=-25

Find the vertex

(

h

,

k

)

(h, k)

.

(

5

,

-

25

)

(5,-25)