Question

Write the equation of a line that passes through the point,(3,1) and has a slope of -3

Answer 1

y = mx + b
slope(m) = -3
(3,1)...x = 3 and y = 1
now we sub and find b, the y int
1 = -3(3) + b
1 = -9 + b
1 + 9 = b
10 = b

so ur equation is : y = -3x + 10 <==