Exploring Writing and Graphing Inequalities

Which symbol represents 'less than'?

• <

• ≤

• >

• ≥

What does a closed circle on a number line indicate?

• The number is not included in the solution set

• The inequality is an equation

• The number is included in the solution set

• The inequality is not true

How would you write the inequality for 'a number c plus 9.4 is greater than or equal to negative six'?

• c + 9.4 > -6

• c + 9.4 ≥ -6

• c + 9.4 < -6

• c + 9.4 ≤ -6

What does the term 'sum' indicate in a word problem?

• Addition

• Division

• Multiplication

• Subtraction

When graphing the inequality x > 3, what type of circle should be used at 3?

• No circle

• Open circle

• Half-filled circle

• Closed circle

In interval notation, how is an open circle represented?

• With a bracket [ ]

• With a parenthesis ( )

• With a slash /

• With a curly brace { }

What is the solution set for the inequality x + 5 ≥ -2?

• x ≤ -3

• x ≥ -3

• x ≤ -7

• x ≥ -7

How do you determine if a value is a solution to an inequality?

• By using interval notation

• By solving the inequality as an equation

• By substituting the value into the inequality

• By graphing the inequality

What does the inequality a < 12 represent in the context of age restrictions for a discounted movie ticket?

• You must be exactly 12 years old to get a discount

• You must be younger than 12 years to get a discount

• You must be 12 years or older to get a discount

• You must be older than 12 years to get a discount

If a represents the number of students in the senior class and b represents the number of students in the junior class, what does the inequality a < b mean?

• There are more students in the senior class than in the junior class

• There are fewer students in the senior class than in the junior class

• The number of students in both classes is equal

• The number of students in the senior class is not equal to the number of students in the junior class