Replace the polar equations with equivalent. Cartesian equations. Then describe or identify the graph. r^{2} = -4r cos theta

UkusakazaL

UkusakazaL

Answered question

2021-09-14

Replace the polar equations with equivalent
Cartesian equations. Then describe or identify the graph. r2=4rcosθ

Answer & Explanation

davonliefI

davonliefI

Skilled2021-09-15Added 79 answers

r2=4rcosθ
Hence, x2+y2=4x
Hence,x2+4x+y2=0
Or,x2+4x+y2+4=0+4=4
Or, (x+2)2+y2=22
Hence, the equivalent cartesian equation:(x+2)2+y2=22
And it represents the circle of radius 2 centred at (-2, 0)

Jeffrey Jordon

Jeffrey Jordon

Expert2021-10-14Added 2605 answers

Answer is given below (on video)

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