Given that P = (-7, 16) and Q = (-8, 7), find the component form and magnitude of ray PQ

asked Aug 11, 2018 107k views

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1 vote

rPQ=rp-rQ=ax+9ay;
rp=-7ax+16ay;
rQ=-8ax+7ay

$\sqrt{1^(2) +9 x^(2)$

Smajlo answered Aug 17, 2018

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