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anonymous

  • one year ago

The equation of the line of best fit of a scatter plot is y = –4x − 6. What is the the y-intercept?

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  1. ybarrap
    • one year ago
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    |dw:1433090376205:dw|

  2. Ciarán95
    • one year ago
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    Every linear equation in two dimensions (x and y) will be of the form: \[y = mx + c\] where m is equal to the slope of the line and c is equal to the y-intercept. In coordinate terms, the y-intercept can be written as (0, c), as the value of x along the u-axis will always be equal to zero. So, given the equation: \[y = -4x -6\] you should be able to pick out the appropriate y-intercept value (c) from comparison to the generalised form above. Hope that helps! :)

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