Asked by Joe

The graph of r = 7/ (3 cos(theta) + 2 sin(theta)) is a line. What is the slope of the line? How do you do this!!!
Answered by Steve
r = 7/(3cosθ + 2sinθ)
r(3cosθ+2sinθ) = 7
3rcosθ + 2rsinθ = 7
3x+2y = 7

I guess you can handle it from there, yeah?
Answered by Joe
It says that -2/3 is wrong
Answered by Steve
no doubt. Did you try -3/2 ?

3x+2y = 7
2y = -3x + 7
y = -3/2 x + 7/2
Answered by Joe
Whoops bad math:) Thanks!
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