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Which of the following statements is correct about the line \(x=4\)?

Answer and explanation

Correct answer: Its slope is undefined and it has no y-intercept.

In \(x=4\), the x-coordinate remains fixed, so the graph is a vertical line. Since \(\Delta x=0\), its slope is undefined, and it does not meet the y-axis. Exam tip: \(x=a\) always represents a vertical line.

Related tags

Coordinate GeometrySlopeY-InterceptVertical LineLinear EquationsSlope And Y InterceptIntroduction To PolynomialsMathematics

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