Question

Choose the correct description of the graph of the inequality -4x < 20.

Open circle on 5, shading to the left.

Closed circle on 5, shading to the left.

Open circle on -5, shading to the right.

Closed circle on -5, shading to the right.

Answer 1

-4x < 20
-20 < 4x
-20/4 < x
-5 < x

Answer 2

i don't know how to tell if it's closed or open

Answer 3

If an inequality contains ≤, then the end point is included in x, hence closed circle
If an inequality contains <, then the end point is not included in x, hence open circle.

Answer 4

so it's an closed
circle?

Answer 5

You are confused.

Answer 6

i know...

Answer 7

Read the information I posted again before deciding which answer to choose.