3 years ago

Which shows how to calculate the area of the playground?

Mathematics

1 answer:

Korolek [52]3 years ago

7 0

Answer:

Length (X) width

Step-by-step explanation:

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3 years ago

Axis of symmetry of f(x)=(x+3)^2-8

Anna007 [38]

<u>ANSWER</u>

$x = - 3$

<u>EXPLANATION</u>

When a quadratic equation is in the vertex form,

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

the equation of axis of symmetry is simply

$x = h$

The given quadratic equation is

$f(x) = {(x + 3)}^{2} - 8$

We can rewrite this as

$f(x) = {(x - - 3)}^{2} - 8$

We now compare to

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

We have

$h = - 3 \: \: \: and \: \: k = - 8$

Therefore equation of axis of symmetry is:

$x = - 3$

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3 years ago