Mathematics, 19.07.2019 22:10 ovebrown
Is the line through points p(7, 6) and q(9, 11) perpendicular to the line through points r(5, 9) and s(7, 4)? explain.
a no, their slopes are not opposite reciprocals.
b yes; their slopes have product –1
c yes; their slopes are equal.
Answers: 3
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Is the line through points p(7, 6) and q(9, 11) perpendicular to the line through points r(5, 9) and...
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