SOLUTION: If the x values are (-1,0,2,5) and the y values are (-4,-2,2,8) what is the relationship and equation?

Algebra.Com
Question 822491: If the x values are (-1,0,2,5)
and the y values are (-4,-2,2,8)
what is the relationship and equation?

Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
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let's try a linear regression over the given data points:
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the given x-values followed by the given y-values:
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-1,0,2,5,-4,-2,2,8
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copy and paste the above list of data points in to this solver:
https://sooeet.com/math/linear-regression.php
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then click the "xxyy" button to solve for linear regression:
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answer:
the relationship is indeed linear. the linear relation is defined by:
y-intercept = -2
slope = 2
slope-intercept form of the linear equation:
y = 2x - 2
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Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
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Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
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Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php

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