Respuesta :

Answer :
Line 1 : Postive
Line 2 : Undefined
Line 3 : Zero
Line 4 : Negative

Explanation:

Look at the line. Starting from the left side, is it going up or down? Up means it is positive. Down means it is negative. The other two lines you just have to remember which one is undefined and which one is Zero.

Answer:

see explanation

Step-by-step explanation:

A line sloping upwards from left to right has a positive slope.

Line 1 is in this category.

A line sloping downwards from left to right has a negative slope.

Line 4 is in this category.

The slope of a vertical line, parallel to the y- axis is undefined.

Line 2 is in this category.

The slope of a horizontal line, parallel to the x- axis is zero.

Line 3 is in this category.