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The equation of a line is \(y=-3\). What type of line will its graph be?

Answer and explanation

Correct answer: Horizontal line

In the equation \(y=-3\), the \(y\)-coordinate remains fixed at \(-3\), while \(x\) can take any real value. Therefore, its graph is a horizontal line parallel to the \(x\)-axis. A vertical line has a constant \(x\)-coordinate, so option A is incorrect. Exam tip: \(y=c\) represents a horizontal line, whereas \(x=c\) represents a vertical line.

Related tags

Linear InequalitiesHorizontal LineCoordinate GeometryLine GraphsAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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