Algebra Examples

x y = 6

$x y = 6$

Step 1

Divide each term in

x y = 6

$x y = 6$ by

x

$x$ and simplify.

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Step 1.1

Divide each term in

x y = 6

$x y = 6$ by

x

$x$ .

\frac{x y}{x} = \frac{6}{x}

$\frac{x y}{x} = \frac{6}{x}$

Step 1.2

Simplify the left side.

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Step 1.2.1

Cancel the common factor of

x

$x$ .

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Step 1.2.1.1

Cancel the common factor.

$\frac{x y}{x} = \frac{6}{x}$

Step 1.2.1.2

Divide

$y$ by

$1$ .

$y = \frac{6}{x}$

Step 2

Find where the expression

$\frac{6}{x}$ is undefined.

$x = 0$

Step 3

Consider the rational function

$R (x) = \frac{a x^{n}}{b x^{m}}$ where

$n$ is the degree of the numerator and

$m$ is the degree of the denominator.

1. If

$n < m$ , then the x-axis,

$y = 0$ , is the horizontal asymptote.

2. If

$n = m$ , then the horizontal asymptote is the line

$y = \frac{a}{b}$ .

3. If

$n > m$ , then there is no horizontal asymptote (there is an oblique asymptote).

Step 4

Find

$n$ and

$m$ .

$n = 0$

$m = 1$

Step 5

Since

$n < m$ , the x-axis,

$y = 0$ , is the horizontal asymptote.

$y = 0$

Step 6

There is no oblique asymptote because the degree of the numerator is less than or equal to the degree of the denominator.

No Oblique Asymptotes

Step 7

This is the set of all asymptotes.

Vertical Asymptotes:

$x = 0$

Horizontal Asymptotes:

$y = 0$

No Oblique Asymptotes

Step 8