Determine the type of boundary line and shading for the graph of the inequality y

Question

Determine the type of boundary line and shading for the graph of the inequality y < 2x + 4

Dashed line with shading on the side that includes the origin.

Solid line with shading on the side that does not include the origin.

Dashed line with shading on the side that does not include the origin.

Solid line with shading on the side that includes the origin.

anonymous · Answer

#1
dashed because <

anonymous · Answer

whats the difference in #1 and #3

anonymous · Answer

#1 has shading below the line, #3 above. To find which one you need you can plug (0,0) into inequality and see if it becomes true statement.

anonymous · Answer

In general: plug point into inequality. If it’s become a true statement, the point belongs to the solution area. If not- solution area is opposite.