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Which of the following statements is correct about the graph of the line \(x=-7\)?

Answer and explanation

Correct answer: It is a vertical line parallel to the \(y\)-axis

In the equation \(x=-7\), the \(x\)-coordinate remains fixed at \(-7\), while \(y\) can be any real number. Therefore, its graph is a vertical line passing through \((-7,0)\), parallel to the \(y\)-axis. Option B would describe a horizontal line of the form \(y=\text{constant}\). Exam tip: remember that \(x=\text{constant}\) represents a vertical line, whereas \(y=\text{constant}\) represents a horizontal line.

Related tags

Graphs Of Standard FunctionsVertical LinesRelations And FunctionsMathematicsClass 11 Mcq

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