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Summary

To find the y-intercept, substitute the slope in for m in the formula y = mx + b, and substitute a given ordered pair in the table for x and y in the formula, then solve for b.
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When looking at a table, the y-intercept can be found by identifying when x is 0 and looking at y.
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Summary
Now when you look at a table the way you find the y-intercept is you’re looking for when X is equal to 0. In some tables it’s as easy as looking at the table and identifying when x is 0 and looking at y.

How to find Y Intercept on a Graph or Table - Mathcation
mathcation.com

Summary
This article provides a step-by-step guide on how to find intercepts from a table given a linear function. It explains the concept of functions, which are rules where each input is assigned to one output, and how to use this rule to determine intercepts in a line. It also provides a link to a post on the topic of functions and how to use this rule to find intercepts in a line.

Intercepts from a table (video) | Khan Academy
khanacademy.org

Summary
To find the y-intercept, substitute the slope in for m in the formula y = mx + b, and substitute a given ordered pair in the table for x and y in the formula, then solve for b. Finally, substitute the values for m and b into the formula y = mx + b to write the equation of the line.

Writing Linear Equations Using Charts
mathhelp.com

March 24, 2011 SLOPE AND Y-INTERCEPT ... 21. Writing a Linear Equation from a Table 2. Next, divide the change in y by the change in x to get the slope. In ...

Slope and y intercept
slideshare.net