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Serga [27]
3 years ago
5

Solve the following equation show your work x^2-4=0

Mathematics
1 answer:
arsen [322]3 years ago
7 0

Answer:

x = 2, x = - 2

Step-by-step explanation:

Step 1:

x² - 4 = 0            Equation

Step 2:

x² = 4         Add 4 on both sides

Step 3:

x = \sqrt{4}       Square 4

Answer:

x = 2, x = - 2

Hope This Helps :)

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3 years ago
Please help!posted picture of question
olchik [2.2K]
Answer:
\frac{x^2 - 5}{4x + 1}, x ≠ -1/4

Explanation:
We are given that:
f (x) = 4x + 1
g(x) = x² - 5

We want to find the value of (g/f)(x). This means that we will simply divide g(x) by f(x) as follows:
( \frac{g}{f} )(x) =  \frac{g(x)}{f(x)} =  \frac{x^2 - 5}{4x + 1}

Now, we should note that any function is undefined if its denominator is equal to zero.
This means that for our current function:
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4x + 1 = 0
4x = -1
x = -1/4
This means that the value of x cannot be -1/4, otherwise, our function would be undefined.

Based on the above, the last option is the correct one.

Hope this helps :)
8 0
3 years ago
A mirror frame in the shape of an oval is shown below. The ends of the frame form semicircles:
Volgvan

Answer:

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Step-by-step explanation:

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2 years ago
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