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How can you use a graph of a linear relationship to predict an unknown value of y for a given value of x within the region of the graph

How can you use a graph of a linear relationship to predict an unknown value of y for a given value of x within the region of the graph
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how can you use a graph of a linear relationship to predict an unknown value of y for a given value of x within the region of the graph

User Dqhendricks
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1 Answer

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If you know what the equation of the line IS(y=mx+b), then you can:

Substitute the x coordinate, slope and y-intercept into the line, then solve for y.
Hope this helped!
User Peike
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