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Through which quadrants does the graph of the function \(f(x)=x\) pass?

Answer and explanation

Correct answer: First and third quadrants

The graph of \(f(x)=x\) is the line \(y=x\). When \(x>0\), \(y>0\), so the points lie in the first quadrant; when \(x<0\), \(y<0\), so the points lie in the third quadrant. Therefore, the correct answer is the first and third quadrants. Option B incorrectly assumes that \(x\) and \(y\) have opposite signs, which applies to a line such as \(y=-x\), not to \(y=x\). Exam tip: The graph of \(y=x\) passes through the origin and has equal-sign coordinates away from the origin.

Related tags

Relations And FunctionsIdentity FunctionGraphs Of Standard FunctionsQuadrantsCoordinate GeometryMathematicsClass 11 Mcq

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