What is the equation of the line that is horizontal and goes through the y-axis
at -4?
2 answers:
Answer:
y = - 4
Step-by-step explanation:
The equation of a horizontal line parallel to the x- axis is
y = c
where c is the value of the y- coordinates the line passes through.
The line passes through (0, - 4) with y- coordinate - 4, thus
y = - 4 ← equation of horizontal line
Y = mx + b, m = 0. The equation becomes y = b, where b is the y-coordinate of the y-intercept.
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