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Answer variants:
No
−6
−7
Yes
5
The line '\(a\)' passes through the points \((1, -3)\) and \((3, -15)\), and the line '\(b\)' passes through the points \((12, -1)\) and \((24, 1)\). Is the line '\(a\)' perpendicular to '\(b\)'?
The slope of line '\(a\)' \(=\)
The slope of line '\(b\)' \(=\)
The line '\(a\)' perpendicular to '\(b\)' :
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