beachemrriane beachemrriane

13-02-2018
Mathematics

contestada

A line containing the points (9,3) and (21,p) has a slope of 1/3. what is the value of p?

Respuesta :

JasonLai JasonLai

13-02-2018

Here's the formula:
(y2-y1)/(x2-x1)
so then:
(p-3)/(21-9)
so:
p-3/(12)
so then p = 7

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