Math 2355 - Exam 1 - Information and Study Problems
The exam is Wednesday, February 17th during class.
 You do not need to bring a bluebook
 Don’t forget your calculator. Only small scientific and small graphics calculators will be
allowed. No TI 92s, TI inSpire’s, business, finance calculators or Palm Pilots. No cell
phones or Ipods.
 No cheat-sheet will be allowed for this exam.
 You must use pencil on the exam.
 The exam will cover all topics since the beginning of the semester through chapter 3. Lab
concepts may also be tested.
Study Problems
Pp. 862-863: 7, 19, 31, 33
Pp.169-172: 2, 6, 8, 10, 12, 15, 17, 20, 22, 24, 31, 32, 33, 36, 38, 40, 44, 45, 46, 48, 51, 57, 58,
62 (also look at the assigned problems from each section)
Also study least squares and the correlation coefficient problems done in, and out of, class.
There will be a review/help session Monday, February 15th, 7-9pm,
BU127
 For the exam you will be given a sheet with the following formulas.
I  Pr t
A  P(1  rt )
A  P (1  mr ) mt
 A  1
t P
 1 




  A   mt 

r  m  
 1
 P 



t
r

ln  PA 
m ln 1  mr 

P
A
(1  mr )mt
PV 
PMT (1  (1  i )  n )
i
FV 
PMT ((1  i ) n  1)
i
PMT 
PV (i )
(1  (1  i ) n )
n
 ln 1  Pmt
ln( 1  i )
PMT 
FV (i)
((1  i) n  1)
n
ln( Pmt  1)
ln( 1  i )
APY  (1  mr ) m  1
(n  ( xy)   x  y )
(n ( x 2 )  ( x) 2 )
b
( y  m x)
n
A  P(1  r ) t
m
r
PV ( i )
FV ( i )
(n ( xy)   x  y )


n x    x   n y    y  
2
2
2
2
A  Pe rt
APY  e r  1