Question

Is 2y=10 an equation of a graph of a horizontal line??

Answer 1

2y = 10
Simplified:
2y = 10
y = 5
OR...
y = (0)x + 5
So yes, the slope is 0, so it's horizontal. :)

Answer 2

y = a is always a horizontal line
x = b is always a vertical line

Answer 3

y = a is a function
x = b is not

Answer 4

THANKYOU

Answer 5

Yep.

Answer 6

To understand this question @amonoconnor you must ask yourself "what does the graph of a horizontal line have constant?"