Inactive Tutor answered • 09/21/16
Tutor
New to Wyzant
y = -5 is a horizontal line that crosses the y-axis at (0,-5). Its slope is zero.
Lilly R.
asked • 09/20/16Find the slope of each line
Find the slope of each line.
Y=-5
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2 Answers By Expert Tutors
Inactive Tutor answered • 09/20/16
Tutor
New to Wyzant
This is a linear equation with no X value specified, indicating the Y value is constant for EVERY value of X, thus graphed as a vertical line with all Y-values of -5, and no slope. Remember the general form of linear equation is
Y = mX + b, m being the slope, so zero is implied, since this would eliminate any X-value.
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Inactive Tutor
09/20/16