<span>1 and 2/3 time 1 and 1/3 is 2.22222222222 which rounds to 2.</span>
1. Given
2.Given
3.Alternate Interior Angles
4. Alternate Exterior ANgles
Anything raised to exponent 0 equals 1
So

So we get

Y=2x +4 is non proportional because b does not equal 0
The b in the equation is 4
As long as the y intercept is not more or less than 0, than it will be proportional