Alexander Boyarskiy
CST 110
10/05/17
Journal #2
Selective Listening
The most common examples of selective listening that occurred in my life were between
my girlfriend and me. For example, the other d
Chapter Two
Section 2.2
Solving Equations Graphically
MTH 163 - Fall 2017
Solving Equations Graphically
x-intercepts are solutions to the equation = .
An x-intercepts is a point (, ), where is a zero
Section 1.7: Inverse Functions
1. Show, algebraically that the following functions are inverse functions. Check your
work with DESMOS.
a. () = + ,
() =
b. () = , () =
c. () = , () =
2. Find the inver
Section 2.4: Solving Equations Algebraically
1. Solve by factoring.
a. +
b. + =
c. = +
2. Solve by completing the square.
a. + + =
b. + =
3. Solve using the quadratic formula.
a. + =
b. =
c. +
Section 2.2: Solving Equations Graphically
1. Write the equation of in the form () = .
a. ( ) = ( + )
b. = + ( )
c.
=
2. Use a graphing utility to approximate solutions accurate to three decimal pla
Section 2.3: Complex Numbers
1. Write in standard form.
a. +
b. +
c. ()
2. Perform the addition or subtraction and write the result in standard form.
a. ( ) ( )
b. + ( + ) +
c. ( + ) + ( +
)
3. Pe
Section 2.1: Mathematical Modeling
1. A truck drive traveled at an average of speed of 55 mph on a 200-mile trip to pick up a
load of freight. On the return trip (with a fully loaded truck), the avera
Nevaeh Singleton
Unit One: Lab Questions
1. What are the four categories that you need to separate your expenses into? Which one do you think
makes up most of your own expenses? Why?
Food, clothes, tr