Question

Which is not an equation of the line going through (3, 6) and (1, –2)?

A. y = 4x -6

B. y -6 = 4(x-3)

C. y + 2 = 4(x-1)

D. y - 2= 4(x+1)


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Answer 1

line going through (3, 6) and (1, –2)
slope = (-2 - 6) /(1 - 3) = -8/-2 = 4

passing thru (3, 6)
y - 6 = 4(x - 3) (B. is TRUE)
y - 6 = 4x - 12
y = 4x - 6 (A. is TRUE)

passing thru (1, –2)
y + 2 = 4(x - 1) (C. is TRUE)


not an equation of the line going through (3, 6) and (1, –2)
y - 2= 4(x+1)

answer
D. y - 2= 4(x+1)