what is the equation of a line that passes through (1,-4) and (2,7)?
a. y=x+5
b. y=x-5
c. y=11x+8
d. y=11x-5
plz help and exlain how to do it....thanks
(y+4)/(x-1) = (7+4) / (2-1)
(y+4)/(x-1) = 11
y + 4 = 11 x - 11
y = 11 x - 15
so I get none of he above unless d is a typo