Slopes of horizontal and vertical lines
Find the change in y and the change in x. A horizontal line has slope 0. A vertical line has no slope: write none.
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Find the slope of the line through (0, −2) and (3, −2).
Answer: 0
Find the slope of the line through (5, −5) and (5, 10). Write none if the line has no slope.
Answer: none
Find the slope of the line through (0, 2) and (0, −5). Write none if the line has no slope.
Answer: none
Tip: Find the change in y and the change in x. A horizontal line has slope 0. A vertical line has no slope: write none.
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- Next in this topic Slope from a table: positive slopes Grade 8
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