Algebra and Trigonometry, 8th edition
(a)
The slope(m) is 0.
The slope of the horizontal line is zero.
Thus, the given slope indicates the line .
(b)
The slope(m) is .
The slope is negative.
Thus, the only line has the negative slope.
(c)
The slope (m) is 1.
The slope is positive.
Thus, the only line has the positive slope.
(a) .
(b) .
(c) .
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