Question

Which is the y-intercept of the relationship represented in the table?

x y
7 3
9 5
11 7
13 9

4
2
4-
2-

Answer 1

y = x - 4

Explanation:

m, gradient = (5 - 3)/(9-7) = 1

Formula : x - x1 = m( y - y1 )

y - 3 = 1 ( x -7)

Equation : y = x -4