Sets and Venn Diagrams Answers

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Given the statement "If a line is horizontal, then it has slope equal to zero,” what is its contrapositive?

If a line is horizontal, then it has zero slope.

If a line has zero slope, then it is a horizontal line.

If a line is not horizontal, then it does not have zero slope.

If a line does not have zero slope, then it is not a horizontal line.

Inverse:

If a line is vertical then it has an undefined slope.

If a line has an undefined slope, then it is a vertical line.

If a line is not vertical then it does not have an undefined slope.

If a line does not have an undefined slope, then it is not a vertical line.

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