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olchik [2.2K]
3 years ago
8

A line passes through the given points. Write an equation for the line in

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0

4-9=5

-2--8=6

y=mx+b

slope/mx=6/1

base/y intercept=5

d1i1m1o1n [39]3 years ago
4 0

Answer: The equation for the line in  point-slope form :(y+2)=\dfrac{-6}{5}(x-4)

The equation in slope-intercept form : y=\dfrac{-6}{5}x+\dfrac{14}{5}

Step-by-step explanation:

The equation of a line in point slope form passing through points (a,b) and (c,d) is given by :-

(y-b)=\dfrac{d-b}{c-a}(x-a)

Now, the point slope form passing through points (4, -2) and (9, -8) is given by :-

(y-(-2))=\dfrac{-8-(-2)}{9-4}(x-4)\\\\\Rightarrow (y+2)=\dfrac{-6}{5}(x-4)

The equation for the line in  point-slope form :(y+2)=\dfrac{-6}{5}(x-4)

Further if we simplify the equation , we get

y+2=\dfrac{-6}{5}x+\dfrac{24}{5}\\\\\Rightarrow\ y=\dfrac{-6}{5}x+\dfrac{24}{5}-2\\\\\Rightarrow\ y=\dfrac{-6}{5}x+\dfrac{14}{5}

The equation in slope-intercept form : y=\dfrac{-6}{5}x+\dfrac{14}{5}

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