Answer:
green: y= 1x+4
yellow: undefined x=1
blue: y= 2/-1x + 4
black: y= 0+-6
Step-by-step explanation:
ausuming u need slope intercept form
The given expression is
.
We need to simplify the given expression.
<h3>What is a rational number?</h3>
In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.
Now group the rational numbers 



Therefore, the simplified value of the given expression is
.
To learn more about the rational numbers visit:
brainly.com/question/17450097.
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