What is the linear equation for a line that passes through points (2,4) and (1,0)?

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Answer 1 · 2018-05-07T17:50:42

y = 4x - 4

#(Y_2 - Y_1)/(X_2 - X_1)# = #m#, the slope

Label your ordered pairs.

(2, 4) #(X_1, Y_1)#
(1, 0) #(X_2, Y_2)#

#(0 - 4)/(1 - 2)# = #m#

-4/-1 = 4 because two negatives make a positive.

graph{y = 4x - 4 [-18.02, 18.02, -9, 9.01]}