## Exam-Style Question on Graphs## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 422. This question is similar to one that appeared on a GCSE Higher paper in 2017. The use of a calculator is allowed.

Which of the following lines is parallel to the x-axis?

\(y=-7\)

\(x-y=1\)

\(x=10\)

\(x+y=0\)

\(x=y\)

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