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RoseWind [281]
3 years ago
13

What is the axis of symmetry and vertex for the function f(x) = 3(x – 2)2 4?

Mathematics
2 answers:
Travka [436]3 years ago
6 0

we know that

The equation of a vertical parabola in vertex form is equal to

y=a(x-h)^{2}+k

where

(h,k) is the vertex

if a > 0 -----> then the parabola open upward (the vertex is a minimum)

if a < 0 -----> then the parabola open downward (the vertex is a maximum)

The axis of symmetry is equal to

x=h

In this problem let's analyze two cases

First case

f(x)=3(x-2)^{2}+4

the vertex is the point (2,4)

a=3

so

3 > 0 -----> then the parabola open upward (the vertex is a minimum)

The axis of symmetry is equal to

x=2

Second case

f(x)=3(x-2)^{2}-4

the vertex is the point (2,-4)

a=3

so

3 > 0 -----> then the parabola open upward (the vertex is a minimum)

The axis of symmetry is equal to

x=2


guajiro [1.7K]3 years ago
6 0
Hello,

y=3(x-2)²+4

Vertex is(2,4)
Axis of symmetry: x=2

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