Question

Write the equation of the line that represents the table below.

x y
-4 5
-2 4
0 3
2 2
4 1

Answer 1

Explanation:

y = mx + b

b, the y-intercept, = 3 because when x is 0, y is 3

find m, slope:

(0,3) (2,2)

2 - 3/2 - 0

-1/2

-0.5 or -/2

y = -1/2x + 3

or

y = -0.5x + 3

extra proof: