Find the equation of the straight line that passes through t

Find the equation of the straight line that passes through the points (1, 8) and (3,4). show your workings

Is the line parallel to the line y = 1/2x + 4? Explain your answer.

Equation of straight line is given by:

(y - y1) = m1*(x - x1)

m1 = (y2 - y1)/(x2 - x1)

m1 = (8 - (-4))/(-1 - 3)

m1 = -3

Equation will be:

y - (-4) = -3*(x - 3)

y + 4 = -3x + 9

y + 3x = 5

two lines will be parallel, if their slope is equal,

Slope of givenline y = (1/2)*x + 4, is

m2 = 1/2

Since m1 and m2 are not equal, lines are not parallel.