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A line intersects the points (3,-4) and (1, 2). What is the slope-intercept equation for this line? y = -3x + [?]
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25 votes
A line intersects the points (3,-4) and

(1, 2). What is the slope-intercept
equation for this line?
y = -3x + [?]

User Zrbecker
by
4.5k points

1 Answer

11 votes
the y intercept is 5. You take one of the points and plug the cooridnates into the equation. I used (1,2)
2=-3(1)+?
2=-3+?, move the 3 to the other side by adding 3 to bothe sides,
?=5
User Eldar Djafarov
by
4.2k points
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