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bulgar [2K]
3 years ago
6

Identify the vertex and the axis of symmetry of the graph of the function y=3(x+2)^2-3

Mathematics
2 answers:
Delvig [45]3 years ago
8 0

The vertex of the function y=3{\left({x+2}\right)^2}-3 is \boxed{\left({-2,-3}\right)}.

Further Explanation:

The standard form of the parabola is shown below.

\boxed{y=a{{\left({x-h}\right)}^2}+k}

Here, the parabola has vertex at \left({h,k}\right) and has the symmetry parallel to x-axis and it opens left.

Given:

The quadratic function is y=3{\left({x+2}\right)^2}-3.

Calculation:

Compare the y=3{\left({x+2}\right)^2}-3 with the general equation of the parabola \boxed{y=a{{\left({x-h}\right)}^2}+k}

.

The value a is 3, the value of h is -2 and the value of k is -3.

Therefore, the vertex of the parabola is \left({-2,-3}\right).

The function is symmetric about x=-2.

The vertex of the function y=3{\left({x+2}\right)^2}-3 is \boxed{\left({-2,-3}\right)}.

Learn more:

1. Learn more about unit conversion <u>brainly.com/question/4837736</u>

2. Learn more about non-collinear <u>brainly.com/question/4165000 </u>

3. Learn more about binomial and trinomial <u>brainly.com/question/1394854</u>

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Conic sections

Keywords: vertex, symmetry, symmetric, axis, y-axis, x-axis, function, graph, parabola, focus, vertical parabola, upward parabola, downward parabola,

Anika [276]3 years ago
5 0

we know that

The equation in vertex form of a vertical parabola is of the form

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

where

(h,k) is the vertex of the parabola

and

x=h is the axis of symmetry

if a > 0 -----> open upward

if a < 0 -----> open downward

In this problem we have

y=3(x+2)^{2}-3

a=3

This is a vertical parabola open upward

The vertex is a minimum

therefore

<u>the answer is</u>

the vertex is the point (-2,-3)

the axis of symmetry is x=-2

see the attached figure to better understand the problem


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