Toronto Math Forum
MAT334--2020F => MAT334--Tests and Quizzes => Quiz 1 => Topic started by: Sisi Jiang on September 24, 2020, 09:30:48 AM
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Question: Describe the locus of points z satisfying the given equation:
Re[(4+i)z+6] = 0
Answer:
z = x+ iy
Re[(4+i)(x+iy)+6]=0
Re[4x+4iy+ix-y+6]=0
4x-y+6=0
y= 4x+6
The answer is the line y= 4x+6