Absolute Values and Reciprocals Exam Review

Multiple Choice

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

____1.Evaluate the expression .

A / –7.3 / C / –2.7
B / 7.3 / D / 10.6

____2.What are the domain and range of ?

A / / C /
B / / D /

____3.What are the domain and range of ?

A / / C /
B / / D /

____4.The graph of is

A / / C /
B / / D /

____5.Solve .

A / / C /
B / or / D / or

____6.Determine the solution to .

A / x = or x = / C / x = or x =
B / no solution / D / x =

____7.Determine the solution to

A / x = or x = / C / no solution
B / x = or x = / D / x =

____8.What is the solution to ?

A / x = or x = / C / x =
B / x = or x = / D / x =

____9.Solve .

A / x = / C / x = , x = 
B / x =  / D / x = , x =

____10.Solve .

A / x = –2 and –2 / C / x = 2 and –2
B / x = –2 and –4 / D / x = 2 and –2

____11.Which graph represents the reciprocal of the linear function ?

A / / C /
B / / D /

____12.Which graph represents the reciprocal of ?

A / / C /
B / / D /

____13.The equation of the vertical asymptote for the reciprocal of y = x – 4 is

A / x = / C / x =
B / x = / D / x =

Completion

Complete each statement.

1.When solving the absolute value equation , the two cases to be considered are ______and ______.

2.The invariant points for the function are______and ______.

Short Answer

1.Given the graph of :

a)sketch the graph of

b)state the domain and range

c) express as a piecewise function.

2.a) Sketch the graph of .

b) State the domain and range of the function.

c) Express as a piecewise function.

3.Solve the absolute value equation graphically.