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Precalculus Examples

$x + y > 6$ , $(2, 10)$

Step 1

Insert the values of $x = 2$ and $y = 10$ into the equation to find if the ordered pair is a solution.

$2 + 10 > 6$

Step 2

Add $2$ and $10$ .

$12 > 6$

Step 3

Since $12 > 6$ , the inequality will always be true.

Always true

Step 4

Since the equation is always true when the values are used, the ordered pair is a solution.

The ordered pair is a solution to the equation.

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