Inequality Flashcard

Front

What type of circle is used when graphing an inequality like b < 6?

Back

An open circle is used.

Front

Is x = 9 a solution to the inequality x > 9?

Back

No, it is FALSE.

Front

If I need at least 5 volunteers, how would you express this as an inequality?

Back

x > 5.

Front

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

Back

It represents all numbers less than -4.

Front

What is the difference between an open circle and a closed circle on a number line?

Back

An open circle indicates that the number is not included (e.g., <), while a closed circle indicates that the number is included (e.g., ≤).

Front

How do you represent 'at least' in an inequality?

Back

Use the greater than or equal to symbol (≥).

Front

What does the inequality x ≤ 3 mean?

Back

x can be any number less than or equal to 3.

Front

How would you graph the inequality x > 2?

Back

Use an open circle at 2 and shade to the right.

Front

What is the solution set for the inequality x < 0?

Back

All negative numbers.

Front

If the inequality is x + 3 > 7, what is the solution for x?

Back

x > 4.