2019 Category 3

Which value of x makes the equation 1.25(4x – 10) = 7.5 true?

• 3.5

• -1

• -0.5

• 4

What is the equation in slope-intercept form of the line that passes through the points (–4, 2) and (12, 6)?

• y = 0.25x + 3

• y = 0.25x – 4.5

• y = 4x + 18

• y = 4x – 42

A student worked out at a gym continuously for 50 minutes. The graph shows the remaining percentage of the workout as a linear function of x, the time in minutes. Which answer choice best describes the domain and range of the function for this situation?

• Domain: All real numbers greater than or equal to 0 and less than or equal to 50 Range: All real numbers greater than or equal to 0 and less than or equal to 100

• Domain: {-2} Range: {100}

• Domain: All real numbers greater than or equal to 0 and less than or equal to 50 Range: All real numbers greater than or equal to 0 and less than or equal to 100

• Domain: {100} Range: {-2}

Which inequality represents all possible combinations of x, the number of sausage links that will be cooked on the grill, and y, the number of briskets that will also be cooked?

• 6x + 2y < 120

• 2x + 6y ≤ 120

• 6x + 2y > 120

• 2x + 6y > 120

Which equation is best represented by this graph?

A college student completed some courses worth 3 credits and some courses worth 4 credits. The student earned a total of 59 credits after completing 18 courses. How many courses worth 3 credits did the student complete?

• 13

• 5

• 20

• 39

Which system of equations does the graph represent?

Based on the table, which function models this situation?

What is the value of x in the solution to this system of equations?

• -6.5

• 0.5

• 6.5

• -0.5