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Precalculus Examples

3 x + y = 16

$3 x + y = 16$

Step 1

The slope-intercept form is

y = m x + b

$y = m x + b$ , where

m

$m$ is the slope and

b

$b$ is the y-intercept.

y = m x + b

$y = m x + b$

Step 2

Rewrite in slope-intercept form.

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Step 2.1

Subtract

3 x

$3 x$ from both sides of the equation.

y = 16 - 3 x

$y = 16 - 3 x$

Step 2.2

Reorder

16

$16$ and

- 3 x

$- 3 x$ .

y = - 3 x + 16

$y = - 3 x + 16$

y = - 3 x + 16

$y = - 3 x + 16$

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⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$