Question

write an equation in slope-intercept form of a line containing the point (9,-7) with a slope equal to 3.
a)y=3x+20
b)y=3x+34
c)y=3x-20
d)y=3x-34

Answer 1

\[y+7=3(x-9)\]
multiply using dist law
\[y+7=3x-27\]
subtract 7
\[y=3x-34\]