Geometry problem plz help?

Step-by-step explanation:

let eqn be y = mx + b.

m = (9 - 1)/(2 - 4) = -4

sub (4, 1):

1 = -4(4) + b

b = 17

therefore, it's y = -4x + 17

Topic: coordinate geometry

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So draw a line from S to y axis, and s' to y axis, a horizontal line, and just descriibe

Step-by-step explanation: i hope that helps :)