Find the domain of the square root function . Then
choose the correctly labeled graph which plots that radical
function.
Objective: (7.1) Find Domain of Square Root Function
Find the cube root .
Objective: (7.1) Find Cube Root
Find the indicated function value for the function .
3) Evaluate 
for g(-4)
D) Not a real number
Objective: (7.1) Evaluate Cube Root Function
Simplify the expression. Include absolute value bars where necessary.
Objective: (7.1) Simplify Expression of the Form nth
Root of a^n
Use properties of rational exponents to simplify the expression. Write with
positive exponents .
Objective: (7.2) Simplify Expression Containing
Rational Exponents
Objective: (7.2) Simplify Expression Containing
Rational Exponents
Objective: (7.2) Simplify Expression Containing
Rational Exponents
Add or subtract as indicated .
Objective: (7.4) Add/Subtract Like Radicals
Solve with calculator .
9) The function 
models the number of
calories per day, f(x), a person needs to maintain life in
terms of the person's weight, x, in ki lograms . How many calories does a person
who weighs 51 kilograms
(approximately 112.2 pounds ) need to maintain life? Round to the nearest whole
number.
A) 4619 calories
B) 2549 calories
C) 2462 calories
D) 1336 calories
Objective: (7.2) Use Calculator: Models with Rational Exponents
Simplify by factoring .
Objective: (7.3) Simplify Radical by Factoring 1
Objective: (7.3) Simplify Radical by Factoring 1
Multiply and simplify . Assume that all variables in a
radicand represent positive real numbers.
Objective: (7.3) Apply Product Rule and Simplify
Radical
Use the quotient rule to simplify. Assume all variables
represent positive real numbers
Objective: (7.4) Simplify Using Quotient Rule
Rationalize the denominator and simplify.
Objective: (7.5) Rationalize Monomial Denominator
Rationalize the denominator.
Objective: (7.5) Rationalize Binomial Denominator
Solve the equation.
Objective: (7.6) Solve Radical Equation
Objective: (7.6) Solve Radical Equation
Solve.
18) The function 
models the amount, f(x), in
billions of dollars of new student loans x years
after 1993. According to the model, in what year is the amount loaned expected
to reach $25.5 billion?
A) 2002
B) 2000
C) 1997
D) 2001
Objective: (7.6) Solve Apps: Use Formulas with Radicals
Write in terms of i.
Objective: (7.7) Rewrite Complex Number Using i
Perform the indicated operation . Write the result in
the form a + bi.
Objective: (7.7) Add or Subtract Complex Numbers
Find each product. Write the result in the form a + bi.
Objective: (7.7) Multiply Complex Numbers
Divide and simplify to the form a + bi.
Objective: (7.7) Divide Complex Numbers
Answer Key
Testname: 120-CHAPTER7_REV
1)
3-x ≥0 or x≤3
2) D
3) B
4) D
5) A
6) A
7) B
8) A
9) D
10) B
11) C
12) A
13) D
14) A
15) B
16) C
17) D
18) C
19) C
20) C
21) B
22) C
6
