Name:    Chapter 10 Post Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Solve by factoring.
 a. b. c. d. e.

2.

Solve the quadratic equation by factoring.
 a. b. c. d. e.

3.

Solve by the Square Root Property, if possible.
 a. b. c. d. e. no solutions

4.

Solve by the Square Root Property, if possible.
 a. b. c. d. e. no solutions

5.

After two years, a investment, compounded annually at interest rate r, will yield an amount of . If the amount after two years is , find the rate r. Round your answer to three decimal places.
 a. b. c. d. e.

6.

Solve by completing the square, if possible.
 a. , b. , c. , d. , e. no solutions

7.

The revenue R (in dollars) for selling x units of an infant stroller is modelled by . Find the number of strollers that must be sold to produce a revenue of . Round your answer to the nearest integer.
 a. strollers b. strollers c. strollers d. strollers e. strollers

8.

Graph .
 a. d. b. e. c.

9.

Find the points of intersection of and .
 a. b. c. ), ) d. e.

10.

A picture is 6 inches longer than it is wide and has an area of square inches. What are the dimensions (in inches) of the picture. Round your answers to two decimal places.
 a. b. c. d. e.

11.

An office contains two printers. Printer B takes 5 minutes longer than printer A to print the company's  monthly financial report. With the two printers working, it takes minutes to complete the report. How long (in minutes) would it take each printer individually to complete the report? Round your answer to two decimal places.
 a. Printer A: minutes, Printer B: minutes b. Printer A: minutes, Printer B: minutes c. Printer A: minutes, Printer B: minutes d. Printer A: minutes, Printer B: minutes e. Printer A: minutes, Printer B: minutes

12.

Write in i-form.
 a. b. c. d. e.

13.

Write the number in i-form.
 a. b. c. d. 4i e.

14.

Multiply and write in standard form.
 a. b. c. d. e.

15.

Multiply by its complex conjugate and simplify.
 a. b. c. d. e.

16.

Solve the equation by using the Square Root Property.
 a. b. c. d. e.

17.

 a. b. c. d. e.

18.

Use the Vertical Line Test to determine if y is a function of x.

 a. y is not a function of x b. y is a function of x

19.

Use the Vertical Line Test to determine if y is a function of x.

 a. y is not a function of x b. y is a function of x

20.

The demand for a product is a function of its price. If the demand function is , where p is the price in dollars, find the demand when the price is .
 a. b. c. d. e.