Question

Graph the line x=-1.

Answer 1

Theres an mnemonic device: HOY/VUX

H - horizontal

O - 0 slope

Y-axis

-

V-vertical

U- undefined slope

X-axis

So in this question, x=-1 would be a vertical line at x=-1

Answer 2

The function x=−1 means that for all values of y , the value of x=−1 . This is represented by a vertical line at x=−1

Explanation: