Slopes of Parallel and Perpendicular Lines — Unit test Answers

What is the slope of the line represented by the equation f(t)=2t−6?

On a coordinate plane, 2 lines are shown. Line C D has points (negative 2, 4) and (0, negative 4). Line F G has points (negative 4, 0) and (4, 2).

The graph shows the amount of money Miguel earns after working x hours.

A coordinate plane with a line passing through (0, negative 3), (2, 0), and (4, 3).

A ramp with a constant incline is made to connect a driveway to a front door. At a point 4 feet from the driveway, the height of the ramp is 12 inches. At a point 6 feet from the driveway, the height of the ramp is 18 inches. What is the rate of change of the ramp’s incline?

On a coordinate plane, line D F goes through points (negative 1, negative 3) and (2, 3). Point G is at (negative 4, negative 4).

A line contains points M(1, 3) and N(5, 0). What is the slope of MN?

Which of these values could be the slope of the line? Select two options.

Pauley graphs the change in temperature of a glass of hot tea over time. He sees that the function appears to decrease quickly at first, then decrease more slowly as time passes. Which best describes this function?

A store offers packing and mailing services to customers. The cost of shipping a box is a combination of a flat packing fee of $5 and an amount based on the weight in pounds of the box, $2.25 per pound. Which equation represents the shipping cost as a function of x, the weight in pounds?

On a coordinate plane, line A B goes through (negative 2, 4) and (0, negative 4). Point Z is at (0, 2).

The graph shows the relationship between the volume of a rectangular prism and the volume of a square pyramid with an identical base and height.

What is the y-intercept of the function f(x)=4 – 5x?

On a coordinate plane, 2 lines are shown. Line H J has points (negative 4, negative 2) and (0, 4). Line F G has points (negative 4, 1) and (0, negative 2).

The table shows the profit from a school book fair based on the number of books sold.

The table represents a linear function.

Line GH contains points G(–2, 6) and H(5, –3). What is the slope of ?

The graph of a linear function is shown.

On a coordinate plane, 4 lines are shown. Line A B goes through (negative 4, 3) and (4, 3). Line C D goes through (negative 3, 0) and (3, 2). Line F G goes through (negative 3, negative 1) and (3, negative 3). Line H J goes through (negative 1, negative 4) and (1, 2).

Which graph has a slope of ?