Unit 3B Test (Pre-Algebra)

Front

What symbols are used for a closed dot when graphing an inequality?

Back

≤, ≥

Front

What inequality does the number line graph represent if it shows all values less than -4?

Back

x < -4

Front

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

Back

<, >

Front

Solve and graph the inequality: 7n - 1 > 76

Back

n > 11

Front

Solve the inequality: x + 14 > -14

Back

x > -28

Front

What does a closed dot on a number line indicate?

Back

The value is included in the solution set.

Front

What does an open dot on a number line indicate?

Back

The value is not included in the solution set.

Front

How do you represent the inequality x is greater than or equal to 3 on a number line?

Back

Closed dot at 3 and shading to the right.

Front

What is the solution to the inequality: 2x < 10?

Back

x < 5

Front

If x > 4, what does the graph look like?

Back

Open dot at 4 and shading to the right.