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In this unit, you learn about linear functions and graphing lines in the coordinate plane. Linear functions are used in businesses, construction, and planning cities. The slope of a line determines its steepness. Why do you think a horizontal line (flat) has zero slopes, but a vertical line (straight up and down) is considered to have no slope. What's the difference between zero slope and no slope?

User Seduardo
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Answer:

Explanation:

In math, slope is used to describe the steepness and direction of lines. ... You can determine the slope of a line from its graph

User JMHNilbog
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