lets use one of formulas of linear functions:
y = kx + n
Now we need to find k and n for both linear functions. We do that by using table
We need only 2 values of x and 2 coresponding values of y to find k and x for one equation.
Function 1:
10 = k0 + n which means n1 = 10
2 = k2 + 10
2k = -8
k1 = -4
Function 2
2 = n2 ( we used values of 3rd row because x = 0 there and we can find n straight away)
-4 = 2k + 2
2k = -6
k2 = -3
Our system is now:
y = -4x + 10
y = -3x + 2
if we subtract second from first we get:
-4x + 3x + 10 - 2 = 0
-x + 8 = 0
x = 8
y = -3*8 + 2 = -22
Answer is (8,-22)
