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What does the slope and y-intercept mean?


A. The slope of 2 tells how much the arm span increases for each 1 in. increase in height.
The y-intercept is 0 in. and gives the arm span when the height is 0 in.

B. The slope of 1 tells how much the arm span increases for each 1 in. increase in height.
The y-intercept is 45 in. and gives the arm span when the height is 45 in.

C. The slope of 45 tells how much the arm span increases for each 1 in. increase in height.
The y-intercept is 45 in. and gives the arm span when the height is 45 in.

D. The slope of 1 tells how much the arm span increases for each 1 in. increase in height.
The y-intercept is 0 in. and gives the arm span when the height is 0 in.

What does the slope and yintercept mean A The slope of 2 tells how much the arm span increases for each 1 in increase in height The yintercept is 0 in and gives class=

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The answer is D.

You can determine the slope by knowing that it's the distance of y over the distance of x. Look at the line, and you can tell that for every line up, it is also every line right, meaning the slope is 1. 


The y-intercept is (0,0) as can be told from the graph as well.

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