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What is the slope of the line (y=-12)?

Answer and explanation

Correct answer: \(0\)

In \(y=-12\), the value of \(y\) remains constant for every value of \(x\). Therefore, it represents a horizontal line parallel to the x-axis. Since the change in \(y\) is \(0\), its slope is \(m=\frac{\Delta y}{\Delta x}=0\). An undefined slope belongs to a vertical line, not a horizontal line. Exam tip: whenever you see \(y=\text{constant}\), the slope is \(0\).

Related tags

SlopeHorizontal LineZero SlopeCoordinate GeometryLinear EquationsSlope And Y InterceptIntroduction To PolynomialsMathematics

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