The lines are perpendicular lines
Equations are expressions that are represented with the equality "=" sign
The equations are given as:
Make y the subject of formula in both equations
[tex]y = x + 13[/tex]
[tex]y = -x + 3[/tex]
By comparing the slopes of both lines, we have:
[tex]1 \times -1 = -1[/tex]
The above equation means that:
The slopes of both lines are opposite reciprocal
Hence, the lines are perpendicular lines
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