12/17 Warm Up

Front

What symbol is used for an open dot when graphing an inequality?

Back

<, >

Front

Match the graph with its inequality: What does the graph represent if it shows a closed dot at -2 and a line extending to the left?

Back

b ≤ -2

Front

What inequality does the number line graph represent if it shows a closed dot at 3 and a line extending to the right?

Back

x ≥ 3

Front

Match the graph with its inequality: What does the graph represent if it shows a closed dot at 11 and a line extending to the right?

Back

a ≥ 11

Front

Which graph matches the inequality k < 3?

Back

Graph A

Front

What does an open dot on a number line indicate?

Back

The value is not included in the solution set.

Front

What does a closed dot on a number line indicate?

Back

The value is included in the solution set.

Front

If a graph shows a line extending to the left from -2 with an open dot, what is the inequality?

Back

b < -2

Front

If a graph shows a line extending to the right from 3 with a closed dot, what is the inequality?

Back

x ≥ 3

Front

What is the difference between < and ≤ in graphing inequalities?

Back

< uses an open dot; ≤ uses a closed dot.