Question

Line N passes through the points (–1, 4) and (–1, –4).Which is true of line N? Line N is a vertical line with an undefined slope. Line N is a vertical line with a slope of zero. Line N is a horizontal line with an undefined slope. Line N is a horizontal line with a slope of zero.

Answer 1

Line N is a vertical line with an undefined slope.

Explanation:

Did the quiz wanted to help people.

Answer 2

Line N is a vertical line with an undefined slope.

Explanation:

When the points that line N passes through are graphed, they form a vertical line.

All vertical lines have an undefined slope.

We can also check if it's undefined by finding the slope.

`m=(-4-4)/(-1+1)=(-8)/(0)`

The quotient would be undefined. You cannot divide by zero.

Hope this helps.