2.1 Writing and Graphing Inequalities

Front

What does the inequality x < -4 represent on a number line?

Back

It represents all numbers less than -4, which is shown with an open circle at -4 and a line extending to the left.

Front

How do you express 'There are less than 400 students in the 6th grade' as an inequality?

Back

s < 400

Front

What inequality represents 'There are more than twenty students in the hallway'?

Back

s > 20

Front

What does the inequality x ≥ 3 indicate on a number line?

Back

It indicates all numbers greater than or equal to 3, shown with a closed circle at 3 and a line extending to the right.

Front

How do you express '6 is greater than x' in inequality form?

Back

6 > x

Front

What is the meaning of the inequality x < 4?

Back

It means that x can take any value less than 4.

Front

What does the inequality s ≤ 20 signify?

Back

It signifies that s can be 20 or any number less than 20.

Front

How would you represent 'The temperature is at least 30 degrees' as an inequality?

Back

T ≥ 30

Front

What does the inequality x > -2 mean?

Back

It means that x can take any value greater than -2.

Front

How do you express 'The number of apples is no more than 15' in inequality form?

Back

a ≤ 15