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  • 22-11-2022
  • Mathematics
contestada

Is the line through points P(0, –9) and Q(2, –8) perpendicular to the line through points R(1, 4) and S(3, 3)? Explain.

Yes; their slopes are equal.
Yes; their slopes have product –1
Yes; their slopes have product –1
No, their slopes are not reciprocals.

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