F (x) = x (x + 7) (x + 2)

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Shawn Spence

23 August, 17:12

F (x) = x (x + 7) (x + 2)

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Alexzander · Answer 1

We can also find the vertex by using the expressions:

(

-

b

2

a

,

f

(

-

b

2

a

)

)

Standard form:

a

x

2

+

b

x

+

c

=

0

In this example,

a

=

-

1

and

b

=

0

x

=

-

0

2

(

-

1

)

=

0

2

=

0

y

=

f

(

0

)

=

7

-

0

2

=

7

Same result of

(

0

,

7

)