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OpenStudy (anonymous):
multple choice: which value of r gives the line passing through (3,2) and (r,-4) a slope of 3/2? A. -6 B. -1 C. 7 D. 12
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OpenStudy (callisto):
\[slope =\frac{y_2-y_1}{x_2-x_1}= \frac{2-(-4)}{3-r} = \frac{3}{2}\]\[\frac{2+4}{3-r} = \frac{3}{2}\] Can you continue?
OpenStudy (anonymous):
yeah
OpenStudy (anonymous):
thank you
OpenStudy (callisto):
welcome!~
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