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Which of the lines is perpendicular to the line shown in the graph

Which of the lines is perpendicular to the line shown in the graph-example-1

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9 votes

Answer:

The line passing through (-8, 10) and (-1, 4).

Explanation:

Two lines are perpendicular if the product of their slopes is -1. The slope of the line in the picture is
7\over 6, so we should find a line with slope of
-6\over 7.

Note that the slope of the line in the last option is
-7\over 6.

User Josefine
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