jajagodinez jajagodinez
  • 04-01-2018
  • Mathematics
contestada

Explain why the graph of a linear equation in the form of y=c is a horizontal line

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jdoe0001 jdoe0001
  • 04-01-2018
let's say "c" is a constant, hmmmm any constant, for any value whatsoever of "x", "y" is always that constant, for example, say c = 3, thus y = 3, so a table for it will look like 

[tex]\bf \begin{array}{ccll} x&y\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ -\infty&3\\ -6&3\\ -5&3\\ -4&3\\ -3&3\\ -2&3\\ -1&3\\ 0&3\\ 1&3\\ 2&3\\ 3&3\\ 4&3\\ 5&3\\ 6&3\\ +\infty&3 \end{array}[/tex]

now, if you plot those points, it'd looks like the picture below.
Ver imagen jdoe0001
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