SOLUTION: A line passes through the points (-10,-4) and (-1,2) . What is the y-intercept of the line?
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Question 894721: A line passes through the points (-10,-4) and (-1,2) . What is the y-intercept of the line?
Found 2 solutions by stanbon, Alan3354:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A line passes through the points (-10,-4) and (-1,2) .
What is the y-intercept of the line?
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!st:: Find the equation of the line.
slope = (2--4)/(-1--10 = 6/9 = 2/3
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Form:: y = mx + b
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Solve for "b"; it is the y-intercept.
2 = (2/3)(-1) + b
2 = -2/3 + b
b = 7/3
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Cheers,
Stan H.
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Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
From Stan's work:
===================
A line passes through the points (-10,-4) and (-1,2) .
What is the y-intercept of the line?
-------
!st:: Find the equation of the line.
slope = (2--4)/(-1--10 = 6/9 = 2/3
----
Form:: y = mx + b
----
Solve for "b"; it is the y-intercept.
2 = (2/3)(-1) + b
2 = -2/3 + b
b = 7/3
==============
b = 8/3, not 7/3
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