Find the equation of a line which passes through A(4, -1) and is parallel to x axis.  Choose one: A) y=-2 B) y=3 C) y=2 D) y=-1 E) y=0
The slope of a line which is parallel to x-axis is zero. So   y+1=0(x−4)→y+1=0→y=−1   ANSWER : y=-1 y=-1
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Find the equation of a line which passes through A(4, -1) and is parallel to x axis.