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Ket [755]
3 years ago
10

What is an equation of the line that passes through the point (4, -1) and has

Mathematics
1 answer:
Nuetrik [128]3 years ago
8 0

Answer:

y + 1 = -5(x - 4)

y + 1 = -5x + 20

y = -5x + 19

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In general the equation through (a,b) and (c,d) is


(y-b)(c-a)=(x-a)(d-b)


Can you see that this is a line and that both (a,b) and (c,d) are on it?


Here we're given (a,b)=(-6,-5) and (c,d)=(-4,-4)


(y- -5)(-4 - -6) = (x - -6)(-4 - 5)


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x - 2y  = 4


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Either of the last two are fine answers.





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