How do you know when to shade up or down on a graph

it rlly just depends on the number most higher numbers are up and lower are down

Depends on inequality sign

Step-by-step explanation:

if y > that means you shade above the line on a graph

if y< you shade below.

remember less than or greater than lines are dashed and less that or equal to and greater than or equal to are solid lines.

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.