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Mathematics

2 answers:

Westkost [7]2 years ago

7 0

Answer:

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monitta2 years ago

4 0

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Factor the expression over the complex numbers. <img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20%2B18" id="TexFormula1

AleksAgata [21]

Here we are given the expression:

$x^{2}+18$

Now let us equate it to zero to find x first,

$x^{2}+18=0$

Now subtracting 18 from the other side,

$x^{2}=-18$

taking square root on both sides,

So we will get two values of x as ,

$x=3\sqrt{-2}$

$x=-3\sqrt{-2}$

Now we can write square root -1 as i,

So our factors become,

$x=3i\sqrt{2}$

$x=-3i\sqrt{2}$

Answer:

The final factored form becomes,

$(x+3i\sqrt{2})(x-3i\sqrt{2})$

7 0

3 years ago

Read 2 more answers

What function is represented below?

Paladinen [302]

By graphing the given options as shown in attached figure
f(x) = (1/4)^x+2 ⇒⇒⇒⇒ The black graph
f(x) = (1/4)^x +2 ⇒⇒⇒⇒ The red graph
 f(x) = (1/4)^x-2 ⇒⇒⇒⇒ The blue graph
 f(x) = (1/4)^x -2 ⇒⇒⇒⇒ The green graph


The correct answer will be the blue graph

$f(x) = (\frac{1}{4})^{(x-2)}$