Supply the missing reasons in the proof.
Given: <1≅ <3
Prove: <1≅ <4

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Which of these lines passes through the point (1,-1) and has a slope of -3?

Ihave like no idea how to do any of this !