Respuesta :

namarasamuel123

Answer:

line 1, the slope is positive. line 2,the slope is undefined. line 3, the slope is negative. line 4, the slope is zeeo

angle46089

Answer:

1. Negative

2. Zero

3. Positive

4. Undefined

Step-by-step explanation:

1. The slope is going down, therefore negative

2. A slope that is horizontal is zero

3. The slope is going up, therefore positive

4. The slope is vertical, therefore undefined

I hope this helps!