TEKS A.2C: Writing Linear Equations

The graph of a linear function is shown on the grid.

Which function is best represented by this graph?

The table represents some points on the graph of linear function f.

Which function represents f?

The graph of a linear function is shown on the grid.

Which equation is best represented by this graph?

The table shows the amount of pet food in cups remaining in an automatic feeder as a function of the number of meals the feeder has dispensed.

Based on the table, which function models this situation?

At a restaurant, jars of tomato sauce are stored in boxed in the pantry. Each box contains 8 jars of tomato sauce. A cook uses 2 jars from one of the boxes.

Which function shows the relationship between y, the total number of jars of tomato sauce remaining in the pantry, and x, the number of boxes in the pantry.

• y = 8x + 6

• y = 8x

• y = 8x - 2

• y = 6x

The graph of a linear function is shown on the grid.

Which equation is best represented by this graph?

• y + 7 = -3(x - 4)

• y + 1 = -3(x +2)

• y - 4 = 3(x + 7)

• y - 2 = 3(x - 1)

Researchers in Antarctica discovered a warm sea current under a glacier that is causing the glacier to melt. The ice shelf of the glacier had a thickness of approximately 450m when it was first discovered. The thickness of the ice shelf is decreasing at an average rate of 0.06m per day.

Which function can be used to find the thickness of the ice shelf in meters x days since the discovery.

• t(x) = 450 - 0.06x

• t(x) = -0.06(x + 450)

• t(x) = 450 + 0.06x

• t(x) = 0.06(x + 450)

The table represents some points on the graph of a linear function.

Which equation represents the same relationship?

The table represents some points on the graph of a linear function.

Which function represents the same relationship?

An organization has a monthly budget of x dollars. Every month $2,070 is spent on salaries. One-fourth of the remaining budget is spent on monthly activities. Which function can be used to find the amount in dollars spent on monthly activities?