Graphing Inequalities on a Number Line

Front

Write x ≤ 23 in words.

Back

x is less than or equal to 23

Front

The phrase 'at least' means

Back

≥

Front

Write x < -5 in words.

Back

x is less than -5

Front

What inequality is graphed? (Options: x > 2 and x < 4, 2 ≤ x ≤ 4, x > 2 or x < 4, x ≥ 2 or x ≤ 4)

Back

2 ≤ x ≤ 4

Front

Write an inequality: A trainer advises an athlete to keep his heart rate under 140 beats per minute.

Back

r < 140

Front

What does the symbol '>' mean?

Back

Greater than

Front

What does the symbol '<' mean?

Back

Less than

Front

What does the symbol '≥' mean?

Back

Greater than or equal to

Front

What does the symbol '≤' mean?

Back

Less than or equal to

Front

If x > 5, what can we say about x?

Back

x is any number greater than 5.