Case Study

Quality Assurance: Defect Rate Analysis

A quality control engineer at a manufacturing plant uses the quadratic function f(x)=3x2+10x8f(x) = 3x^2 + 10x - 8 to model the rate of defects in a production line, where xx represents the machine's speed setting. To find the 'zero-defect' speeds, the engineer factors the quadratic expression into two binomials. If the engineer correctly identifies the first factor as (x+4)(x + 4), identify the other binomial factor required to complete the factored form of the function.

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Updated 2026-05-26

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