SOLUTION: How do you get the slope by using the y-intercept?

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Question 468447: How do you get the slope by using the y-intercept?
Answer by solver91311(24713) About Me  (Show Source):
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You cannot determine the slope using only the -intercept, or by using any other single point for that matter. You need two points to uniquely determine a line.

Consider the equation where is any real number. The graph is a line passing through the origin with a slope of . The -intercept is the origin, but the slope is and since is any real number, there are an infinite number of lines with the the specified -intercept all with different slopes.

John

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