The answer is the first one
<span>Y=-4x-7 in standard form is,</span> y + 4 * x + 7 = 0
If we want to know the greatest common factor, we should ask: is one of the numbers divisible by the other? if yes, then the smaller number will be the answer!
let's try:

so, yes!
6 is the greatest common factor of the two:)
Answer:
D
Step-by-step explanation:
For the question the answer is a