LEAP 2025 Algebra I Chapter 19

DOK: 3
1 pt

1.

Which of the following situations can best be modeled with a quadratic function?

A

For every month that passes, the number of songs stored on an MP3 player increases by 22.

B

The change in the number of students enrolled in a college over the previous semester is increasing by 58 each semester.

C

The amount of yogurt consumed by citizens of a country is increasing by 25,000 ounces every month.

D

The average number of minutes high school students sleep every night is decreasing by 3 minutes every 5 years.

DOK: 2
1 pt

4.

The number of people in a line as a function of minutes passed can be modeled with the quadratic function whose graph has a vertex of (1, 14) as shown. What is the quadratic function’s equation?

A

$y=2{(x-1)}^{2}+14$

B

$y=3{(x-1)}^{2}+14$

C

$y=4{(x-1)}^{2}+14$

D

$y=5{(x-1)}^{2}+14$

DOK: 3
1 pt

10.

Which type of function best models the data in the table?

A

quadratic

B

linear

C

exponential

D

constant

DOK: 3
1 pt

12.

Which type of function best models the data in this graph?

A

quadratic

B

linear

C

exponential

D

constant