Asked by Dartha
What is the equation for a line that passes through the points (2,1) and (-4,4)
A: y=-1/2x+2
b: y=1/2x+2
c: y=-1/2x-2
d: y=1/2x-2
A: y=-1/2x+2
b: y=1/2x+2
c: y=-1/2x-2
d: y=1/2x-2
Answers
Answered by
Henry
(2,1), (-4,4).
m = (4-1) / (-4-2) = 3/-6 = -1/2.
Y = mx + b,
Y = (-1/2)2 + b = 1,
b = 2.
Eq: Y = -(1/2)X + 2.
Answer = A.
m = (4-1) / (-4-2) = 3/-6 = -1/2.
Y = mx + b,
Y = (-1/2)2 + b = 1,
b = 2.
Eq: Y = -(1/2)X + 2.
Answer = A.
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