A few days ago
Find an equation of the line containing the given pair of points.?
(-3,-8) and (-7,-9)
The equation of the line is y=
(simplify your answer. use integers or fractions for any numbers in the expression.)
Top 3 Answers
A few days ago
Favorite Answer
first find the slope (y2-y1)/(x2-x1)
-8-(-9) / (-3-(-7) = 1 / (4) or 1/4
so you now have y=-1/2x+b
use either of the points you have
-8 = (1/4)-3 + b
-8 = -3/4 + b
-7 1/4 = b
so y = -1/2x-7 1/4
now check other point
does -9 = (-1/4)-7 – 7 1/4
-9 = -7/3 – 7 1/4
-9 = -9 checks out so equation is valid
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A few days ago
slope = (-8 + 9)/(-3 + 7) = 1/4
so y = 1/4x – 7 1/4
or 4y = x – 29
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A few days ago
y-y1=m(x-x1)
y+8=(1/4)(x+8)
y+8=x/4+2
(-x/4+y=-6)4
(-x+4y=-24)-1
x-4y=24
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