The slope of a horizontal line is undefined.
true
false

true

Step-by-step explanation:

im pretty sure that's what I learned

Step-by-step explanation:

A horizontal line has no slope, y=0x+b, whereas a vertical line has an undefined slope x=[a constant which is the x intercept, there is no y intercept]. So, yes.

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

attachment?

step-by-step explanation: