sf688aw6vb sf688aw6vb
  • 03-12-2020
  • Mathematics
contestada

Identify the vertex of
y = 2x2 − 4x − 2

Respuesta :

FrxziteTheLxoser
FrxziteTheLxoser FrxziteTheLxoser
  • 03-12-2020

vertex at

(

−

1

,

−

4

)

Explanation:

Given:

y

=

2

x

2

+

4

x

−

2

Convert the given form into "vertex form"

y

=

m

(

x

−

a

)

2

+

b

with vertex at

(

a

,

b

)

XXX

y

=

2

(

x

2

+

2

x

)

−

2

complete the square

XXX

y

=

2

(

x

2

+

2

x

+

1

)

−

2

−

2

XXX

y

=

2

(

x

+

1

)

2

−

4

XXX

y

=

2

(

x

−

(

−

1

)

)

2

+

(

−

4

)

which is the vertex form with vertex at

(

−

1

,

−

4

)

graph{2x^2+4x-2 [-5.455, 7.034, -5.54, 0

Answer Link
chris3878 chris3878
  • 03-12-2020
The answer is (1,-4)
Answer Link

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