Variables and Inequalities Review

What is y when x = 4? y = 4.5x

• 18

• 28

What is y when x = 5? y = 4.5x

• 22.5

• 32.5

What is the independent variable?

• Number of People

• Number of Slices of Pizza

What is the dependent variable?

• Number of People

• Number of Slices of Pizza

What are the independent variable values?

• 2, 3, 4, 5

• 6, 9, 12, 15

What are the dependent variable values?

• 2, 3, 4, 5

• 6, 9, 12, 15

Which inequality represents the situation?

• 5.50 + 3.50 + s ≥ 20.00

• 5.50 + 3.50 + s ≤ 20.00

Which values are solutions to m – 3.5 ≥ 5.5

• 0, 5.5, 9.0

• 9.0, 10.5, 13.5

Write an inequality, “6 more than a number is at minimum 12?”

• n + 6 ≤ 12

• n + 6 ≥ 12

Which inequality is represented on the number line?

• n < 3

• n > 3