Quiz about NC.8.F.2 - Comparing Linear Functions

Question 1

Here is a linear function. Which table has the same slope as the function in the graph?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 2

Dumbledore compared the function $$y=2x-3$$ and this graph. What is the difference in the y-intercepts?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 3

Two companies offer Quidditch Brooms for rental. They each require a deposit and then a charge per hour to use a broom. Slytherin Sales charges a $25 deposit and then $18 per hour. The cost to use a broom from Ravenclaw Rides is shown in the table.

Which company charges more per hour, and how much more?

Accepted Answer

Ravenclaw, $4

Answer

Slytherin, $5

Answer

Ravenclaw, $5

Answer

Slytherin, $4

Question 4

The equation $$y=x+8$$ and the graph represent linear equations.

Which statement is true?

Accepted Answer

The graph has a steeper slope than the equation

Answer

The slope in the equation is steeper than the graph

Answer

One of the rates of change is positive and the other is negative

Answer

Both y-intercepts are positive

Question 5

A function is shown in the table and a second function is graphed. Which function has a larger y-intercept and what is its y-intercept?

Accepted Answer

The graph, 3

Answer

The table, 4

Answer

The table, -4

Answer

The graph, -3

Question 6

Consider the linear function $$y=-\frac{2}{5}x+7$$ and the linear function in the table. Which has the larger y-intercept, and what is its value?

Accepted Answer

Equation, 7

Answer

Equation, 17.5

Answer

Table, 20

Answer

Table, 5

Question 7

Two linear functions are shown. Linear function J is represented by the equation $$y=\frac{3}{4}x-6$$ . The table represents linear function K.

Which Function has a larger x-intercept and what is its x-intercept?

Accepted Answer

Function J, 8

Answer

Function J, -6

Answer

Function K, 5

Answer

Function K, 10

Question 8

McGonagal lives 12 miles from Hogwarts. She drives at an average speed of 45 mph until she gets to school. This graph shows how long it would take her to get to school taking the bus.