Precalculus Examples

y = 3 x

$y = 3 x$ ,

y = - \frac{1}{3} x

$y = - \frac{1}{3} x$

Step 1

Combine

x

$x$ and

\frac{1}{3}

$\frac{1}{3}$ .

y = - \frac{x}{3}

$y = - \frac{x}{3}$

y = 3 x

$y = 3 x$

Step 2

Create a graph to locate the intersection of the equations. The intersection of the system of equations is the solution.

(0, 0)

$(0, 0)$

Step 3

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

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