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Question 137295This question is from textbook
: Could you please explain to me "How do you interpret the slope and y-intercept in a real world example" and include details please.
I will truly be appreciated.
Thank you.
This question is from textbook
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Let's say Cost(x) = 2x + 3 dollars
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slope is 2 and intercept = 3
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Intercept:
That equation says: even if you buy zero items, the base cost is $3
When the independent variable is zero, the dependent variable value is the intercept.
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Slope:
That equation says: for each item bought, the cost rises $2.
The slope is ALWAYS the amount the dependent variable increases
when the independent variable increases by one.
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Cheers,
Stan H.
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