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In linear growth (y=a+bx), which statement is true about (b)?

Answer and explanation

Correct answer: \(b\) is positive

In \(y=a+bx\), \(b\) is the rate of change (slope) of \(y\) with respect to \(x\). In linear growth, \(y\) increases as \(x\) increases, so \(b>0\). A negative \(b\) represents linear decay, while \(b=0\) gives a constant value of \(y\). Exam tip: growth has a positive slope; decay has a negative slope.

Related tags

Linear GrowthLinear EquationsSlopeRate Of ChangePolynomialsLinear Growth And DecayIntroduction To PolynomialsMathematics

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