TCAP Success Algebra 1 EOC 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: 3
1 pt

3.

If a change in variable *x* suggests a change in variable *y*, does the change in *x* cause the change in *y*?

A

always

B

sometimes

C

never

D

only if there is a direct relationship

DOK: 3
1 pt

5.

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

A

For every $0.15 decrease in the price of a carton of eggs, the number of cartons purchased increases by 10 percent.

B

The total number of hot tamales sold is doubling every year.

C

The area of a circle is equal to π times the radius squared.

D

Every 3 months the number of potholes in the street increases by 5.

DOK: 2
1 pt

7.

What value is the best estimate for the correlation coefficient?

A

0.9

B

0

C

0.3

D

-0.2

DOK: 3
1 pt

10.

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

A

quadratic

B

linear

C

exponential

D

constant