Question

Which of the equations describes a line on a graph with the points (0,2) and (1,1)?
A. y = x – 2
B. y = x + 2
C. y = -x + 2
D. y = –x – 2

Answer 1

Just use two point form

y - 2 = [(1-2)/(1)](x)
y - 2 = -x
y = -x +2

ANswer: C