James824
James824
01-05-2017
Mathematics
contestada
Write and equation in slope intercept form
Respuesta :
chiquisgov
chiquisgov
01-05-2017
y=mx+b
14=1(-4)+18
This could be an example of an equation in slope intersect form, where y=14 and x=-4
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ANCKPOP
ANCKPOP
01-05-2017
(-4, 14) (1, 4)
First, we have to find the slope
[tex]m= \frac{y_2-y_1}{x_2-x_1} \\ \\ m= \frac{4-14}{1-(-4)} \\\\m= \frac{-10}{1+4} \\\\ m=\frac{-10}{5} \\ \\ m=-2[/tex]
Now, we use the
"point-slope" equation
[tex]y-y_1=m(x-x_1) \\ y-14=-2(x-(-4)) \\y-14=-2(x+4) \\y-14=-2x-8 \\y=-2x-8+14 \\ y=-2x+6 [/tex]
The equation is "
y = -2x + 6
"
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