Essay

Verifying Shipping Cost Model Solutions

A shipping supervisor uses a linear cost equation to model the relationship between package weight and shipping cost. To audit a past invoice, the supervisor needs to verify if a recorded data point, represented as the ordered pair (x, y), satisfies the company's cost equation.

Explain from memory the step-by-step procedure the supervisor must follow to determine if this ordered pair is a valid solution to the linear equation. In your response, outline what coordinates to substitute, where to substitute them, and how to interpret the final mathematical statement to draw a correct conclusion.

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Updated 2026-06-03

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