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In the rectangular coordinates in the figure above, what is

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by fskilnik@GMATH » Fri Feb 01, 2019 4:47 am

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In the rectangular coordinates in the figure above, what is the value of p?

1) The equation of the line l is y = 1.5x + 1.
2)The equation of the line m is y = 0.5x + 3.
OA D
$$? = p$$
$$\left( 1 \right)\,\,{\rm{line}}\,\,l\,\,{\rm{given}}\,\,\left( * \right)\,\,\,\,:\,\,\,\,\,\left( {2,p} \right) \in l\,\,\,\,\mathop \Rightarrow \limits^{\left( * \right)} \,\,\,\,p = 1.5\left( 2 \right) + 1\,\,\,\, \Rightarrow \,\,\,\,{\rm{SUFF}}.$$
$$\left( 2 \right)\,\,{\rm{line}}\,\,m\,\,{\rm{given}}\,\,\left( {**} \right)\,\,\,\,:\,\,\,\,\,\left( {2,p} \right) \in m\,\,\,\,\mathop \Rightarrow \limits^{\left( {**} \right)} \,\,\,\,\,p = 0.5\left( 2 \right) + 3\,\,\,\, \Rightarrow \,\,\,\,{\rm{SUFF}}{\rm{.}}$$

The correct answer is therefore (D).


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Regards,
Fabio.
Fabio Skilnik :: GMATH method creator ( Math for the GMAT)
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