**Due 5/19/09 before the final. **The fol lowing questions are
similar to some of those you will

encounter on the final. Complete and show your work on a seperate sheet of
paper.

**REMARK 1.** This review sheet is a guide line and a starting point, it is
expected that you also

review all past exams and exam reviews.

1. Chapter 1 - Order of operations , rules of exponents, simplifying exponents,
scientific notation.

See also review for exam 1.

(a) Evaluate the following:

when x = 9, y = -3.

(b) Simplify and write the answer without a negative exponent :

2. Chapter 2 - Solve linear equations, problem solving
(word problems), linear inequalities, abso-

lute values .

(a) Solve the linear equations or inequalities :

3. Chapter 3 - Understand functions and graphing, graphing
lines, slope, slope- intercept form ,

point- slope form , graphing linear inequalities.

(a) Know how to use the vertical line test. (See problem 1 from exam 2 review).

(b) For the functions , evaluate

(f/g)(2)

(c) Equations of lines:

i. Find the x- and y-intercept of 2x - 3y = 12, graph the line.

ii. Find the slope and y-intercept of 5x + 15y = 30, graph the line.

iii. Find an equation of the line that passes through the points (1, 3) and (2,
-1).

(d) Linear Inequalities: Graph 3x - 4y≤ 12

4. Chapter 4 - Solving systems of linear equations in two variables , matrix
notation, Cramer's

Rule

(a) Solve systems of equations:

(b) Solve the system of equations using Cramer's rule:

5. Chapter 5 - Polynomials: addition, subtraction,
multiplication, division, factoring.

(a) Multiply and simplify completely:

(b) Divide using long division:

(c) Factor:

6. Chapter 6 - Domains of rational functions,
multiplication, division, addition and subtraction

of rational functions, finding LCD, solving rational equations.

(a) Multiply or divide, simplify completely:

(b) Find the LCD and add or subtract, simplify completely:

(c) Solve, remember to check your solutions:

7. Chapter 7 - Rational exponents, simplifying radicals,
add, subtract, multiply, and divide rad-

icals, solve radical equations .

(a) Simplify:

(b) Solve:

8. Chapter 8 - Completing the square , quadratic formula ,
quadratic form (substitution), graph

quadratic functions.

(a) Solve by completing the square: x^{2} + 10x = 11

(b) Solve using the quadratic formula: (2a + 3)(3a - 1) = 2

(c) Graph, label the vertex , y-intercept, and x-intercepts if any: f(x) = -x^{2}
- 2x + 24

9. Chapter 9 - Composition and inverse of functions, graph exponential
functions , definition and

properties of logarithm, common logarithms, solving exp onential equations .

(a) If f(x) = 3x + 3 and g(x) = 2x + 5, find (f o g)(x)

(b) If find

(c) Graph

(d) Write in logarithmic form

(e) Write in exponential form.

(f) Solve the equation for x.

(g) Expand using the properties of logarithms:

(h) Write as a single logarithm:

(i) Solve

**10. Word Problems** - Know how to set up and solve the following application
problems: Section

2.3 # 29; Section 2.4 # 1, 11; Section 4.3 # 5; Section 8.5 # 73, 99