TCAP Success ALGEBRA 2 EOC Chapter 16

DOK: 2
1 pt

1.

Given the function: $f\left(x\right)=\left\{\begin{array}{ll}-x& ifx0\\ {x}^{2}-4& ifx\ge 0\end{array}\right.$ and the function *g*(*x*) graphed below, which function has the most solutions at *y*=0?

A

*f*(*x*)

B

*g*(*x*)

C

The two functions have the same number of solutions.

D

Cannot answer without more information

DOK: 3
1 pt

3.

Find the quadratic function that has the vertex (−3, 0) and passes through the point (9, 144).

A

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

B

$y={(x-9)}^{2}+144$

C

$y={x}^{2}+3$

D

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

DOK: 2
1 pt

5.

Which of the following represents an exponential model?

A

The change in the number of people donating blood is increasing by 14 every quarter.

B

The worth of a car decreases 1% per every 1,000 miles it is driven.

C

The number of mosquitoes is decreasing by 5 every minute.

D

Dad mows the lawn twice a week in the summer.

DOK: 2
1 pt

6.

Which of the following represents a linear model?

A

For every page a writer writes, he gets paid $15.

B

The numbers of supporters of a candidate increases by 5% each month.

C

A population of 10 rabbits doubles over a year.

D

As kudzu grows, it doubles its ground coverage weekly.

DOK: 2
1 pt

7.

If $f\left(x\right)=5{x}^{2}+15x$ and $g\left(x\right)=5x$, then what is $f\left(x\right)\xf7g\left(x\right)$?

A

5*x*+3

B

*x*+3

C

5*x*+5

D

*x*+5