Graphing and Writing Inequalities Mastery

What does the symbol '≤' represent in an inequality?

• Less than or equal to

• Greater than

• Greater than or equal to

• Less than

If 'x < 6', which of the following is true?

• x can be 6.5

• x can be 5

• x can be 7

• x can be 6

What does an open circle on a number line indicate?

• The number is less than the variable

• The number is included in the solution set

• The number is not included in the solution set

• The number is greater than the variable

How should you read the inequality 'x > -4'?

• x is equal to -4

• x is greater than -4

• x is not equal to -4

• x is less than -4

What does 'no more than' signify in an inequality?

• Less than or equal to

• Greater than

• Less than

• Greater than or equal to

If the temperature is at least -10 degrees, how would you write this as an inequality?

• t ≤ -10

• t > -10

• t < -10

• t ≥ -10

What does the inequality '7 ≤ x - 6' mean?

• x is less than or equal to 13

• x is less than or equal to 1

• x is greater than or equal to 1

• x is greater than or equal to 13

If Rey's dad told him not to turn on the air conditioner unless the temperature was at least 85 degrees, how would you write this as an inequality?

• t > 85

• t < 85

• t ≤ 85

• t ≥ 85

How would you write the inequality for employees earning at least $8.25 per hour?

• d ≥ 8.25

• d ≤ 8.25

• d > 8.25

• d < 8.25

Why do we stop the graph at zero when considering real-life applications?

• Negative values are not possible

• Positive values are not possible

• Zero is the maximum value

• Zero is the minimum value