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anonymous

  • one year ago

What is the equation of a horizontal line passing through the point (2, 10)?

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  1. SolomonZelman
    • one year ago
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    Horizontal line is in the form of \(y=a\). Saying, that all of the y-coordinates are going to be "a". ((And x-coordinates can be whatever you want.)) So if I wanted to find an equation of a horizontal line that passes through the point \((4,9)\), then my equation would be: \(\color{blue}{y=9}\).

  2. anonymous
    • one year ago
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    so the answer would be 10 then right?

  3. SolomonZelman
    • one year ago
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    yes, y=10 would be your answer.

  4. SolomonZelman
    • one year ago
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    And same way, the equation of the vertical line is \(x=a\). Saying, that all of the \(x\)-coordinates are going to be "a". ((And \(y\)-coordinates can be whatever you want.)) So if I wanted to find an equation of a vertical line that passes through the point \((-3,6)\), then my equation would be: \(\color{blue}{x=-3}\).

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