Number 8

8. if s  {(x,y) | y = x} and t = { (x,y) | y = 3 – 2x}

    Write the equation for t’ = Ms (t)

Answer :

Take a point at t. it’s y = 3-2x

(0,3) (3/2,0)

A = (0,3) A’= (3,0)

B = (3/2, 0) B’ = (0, 3/2)

~ the equation of t’

y-0/3/2-0 = x-3/0-3

-3y = 3/2x-9/2

-6y = 3x – 9

2y = -x + 3

Y = 3-x/2