Topic 4 Quiz 2 Review: Inequalities and Variables

What inequality does the graph represent?

• x ≥ 5

• x ≤ 5

• x > 5

• x < 5

What inequality represents the maximum weight, w, a forklift can lift if it is 8,500 pounds?

• w ≤ 8,500

• w ≥ 8,500

• w < 8,500

• w > 8,500

If a swim team ordered 16 jackets for a total of $368, what is the cost of each jacket, c?

• c = 23

• c = 24

• c = 25

• c = 26

Every week, Michelle is paid d dollars for having worked h hours. What is the dependent variable in the relationship between d and h?

• d

• h

• Both d and h

• Neither d nor h

What does the inequality x ≥ 5 mean in terms of a number line?

• All numbers greater than or equal to 5

• All numbers less than or equal to 5

• All numbers greater than 5

• All numbers less than 5

If the number of kids is at most 14, which of the following is true?

• There can be 14 or fewer kids

• There must be exactly 14 kids

• There can be more than 14 kids

• There must be fewer than 14 kids

Which inequality would need to be graphed with a closed circle and highlighted to the left?

• x < -2

• x > 2

• x = 2

• x ≤ -2

In the scenario where a truck uses g gallons of fuel after running for h hours, which is the dependent variable?

• The number of gallons, g

• The number of hours, h

• The speed of the truck

• The distance traveled

When Lana rides her scooter from her house to school at a rate of r miles per hour, the trip takes her m minutes.. What is the independent variable?

• The rate in miles per hour, r

• The time in minutes, m

• The distance to school

• The type of scooter

What is the equation given for the t-table?

• y = 4x - 2

• y = 2x + 4

• y = x + 2

• y = 3x - 1