(Choose 1 answer)
(17181)Which of the following is correct?
A. A horizontal line has an infinite slope, and a vertical line has a zero slope.
B. A horizontal line has a slope of 1, and a vertical line has a slope of -1.
C. A horizontal line has a zero slope, and a vertical line has an infinite slope.
D. A horizontal line has a slope of -1, and a vertical line has a slope of 1.
Finish
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