Precalculus Examples

$y = \frac{2 (3) + 1}{3 - 1}$

Step 1

Simplify the numerator.

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Step 1.1

Multiply $2$ by $3$ .

$y = \frac{6 + 1}{3 - 1}$

Step 1.2

Add $6$ and $1$ .

$y = \frac{7}{3 - 1}$

$y = \frac{7}{3 - 1}$

Step 2

Subtract $1$ from $3$ .

$y = \frac{7}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$y = \frac{7}{2}$

Decimal Form:

$y = 3.5$

Mixed Number Form:

$y = 3 \frac{1}{2}$

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