Chapter 9: Q. 81 (page 584)
Show that the graph of the equation is a horizontal
line a units above the pole if a and units below the
pole if .
Short Answer

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Chapter 9: Q. 81 (page 584)
Show that the graph of the equation is a horizontal
line a units above the pole if a and units below the
pole if .

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Find each quantity if v=3i-5j and w=-2i+3j then 2v+3w
In Problems55–66, the rectangular coordinates of a point are given. Find polar coordinates for each point.
In Problems 11–22, plot each complex number in the complex plane and write it in polar form. Express the argument in degrees.
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Use the figure at the right. Determine whether the given statement is true or false.

In Problems55–66, the rectangular coordinates of a point are given. Find polar coordinates for each point.
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