Answer:
Step-by-step explanation:
Whether it can be equal to that value. For example, if 5 is greater than x, then an open circle will be useful. If 5 is greater than or equal to x, a closed circle will be used.
Number 1 and I think 4 not sure but try those .
General form of a line :
The slope-intercept form:
m - slope
b - y-intercept
We have
a slope and y-intercept.
Substitute:
<em>multiply both sides by 3</em>
<em>subtract 3y from both sides</em>
<em>change the signs</em>