The Bronx High School of Science
Dr. Jean Donahue, Principal
MRS21 Algebra II &
Trigonometry
Unit 1: Mathematical Systems,
Equations and Inequalities
Unit 2: Factoring and
Rational Expressions
Fall Term
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Unit 3: So
Case Analysis
Spring 2017
Prof. Monica Stallings
Agenda for today
Course Introduction
Purpose
Critique
Syllabus
Personal Introductions
Me and you
Problem solving using two approaches
Back of the envelope
Microsoft Excel
Course Goals
Consulting/B
Math
11/14/12
Maggie Xia
HW
721
1. Anna takes 1/3 hours to read 80 pages, how long will it
take her to read 140 pages?
2. For every 2/3 pints of sugar you must put 4/5 cup flour.
How many pints of sugar do you need for 8 pints of flour?
(1pint = 2cup)
3.
Math
721
Maggie Xia
3/5/13
1. Find the vertical distance between the two points: (5,6) and (5,-2)
2. Find the horizontal distance between the two points: (4,8) and (4,8)
3. Estimate the circumference a circle with a radius that is the
distance from (-5,6)
Maggie Xia
Class 721
CARUMBA
In the Carumba lab, Carumba sailed across the ocean with three ships, the
Scout, the Search and the Hunt and Peck. Three men captained each one of the ships, and
their names were Bloodguts, Fisheye, and McCree. The objective i
Car Name:
Toyota
Pirus 2
Honda
Civic
Sedan
Lexus
HS250h
Monthly
Payment:
$486.63
$ 333.61
$750.83
Maggie Xia 721
Monthly
Payment
on a 5year
Loan
Maggie Xia 721
TOYOTA PIRUS 2
M
=
M
=
$24,000(0.08/12)(1+0.08/12)60
(1+0.008/12)60-1
$24,000(0.006666667)(1.48
Monthly
Payment
on a 4year
Loan
Car Name:
Toyota
Pirus 2
Honda Civic
Sedan
Lexus
HS250h
Monthly
Payment:
$588.73
$ 391.38
$908.36
Maggie Xia 721
TOYOTA PIRUS 2
M
=
M
=
$24,000(0.0825/12)(1+0.0825/12)48
(1+0.00825/12)48-1
$24,000(0.006875)(1.38939833)
(1.3
Math
721
Maggie Xia
HW
2/13/13
1. Andy has a history test in a week, but he is behind in his reading. The test
will cover 120 pages in his textbook. He has read only 36 pages. If he plans
to read two pages every day of the week to finish the 120 pages, ho
Math
721
Maggie Xia
3/15/13
1. A dresser drawer contains pairs of socks with each of the
following colors: blue, brown, red, white and black. Each pair is
folded together in a matching set. You reach into the sock drawer
and choose a pair of socks without
Math
721
3/8/13
Maggie Xia
1. Create a sample space for each example:
A) flipping a coin three times
B) flipping a coin then rolling a 6 sided dice
C) picking a blue or green shirt and then a black, green or purple pair of pants.
D) picking a ham, turkey,
Maggie Xia
Math
3/19/13
721
1. A fair die is tossed twice. Find the probability of getting a 5 OR 6 on the first
toss (add probabilities for this because it is a single event.
b) Find the P(4 and then an even)
2. Two balls are drawn successively without r
Math
4/2/13
721
Xia
HW
Maggie
1. Julie shows the scale drawing of her room with the
rectangular dimensions of 6cm by 8cm. If each 2cm
on the scale drawing equals 5ft, what are the actual
dimensions of Julies room?
2. If a rectangle with the dimensions 2cm
Summar
y
I think the length of a loan has the greatest effect on the amount of the monthly
payment, because although the period of time rate is higher, the interest rate is shorter.
For example, how 12 times 6 is less than 16 times 5, where 12 and 16 are
Math
721
Maggie Xia
3/21/13
1. A bag has blue, yellow and red marbles.
What is the probability of picking a red marble from a bag if the
probability of picking a yellow marble from a bag is 2/10 and the
probability of picking a blue is 4/10?
2. A bag has
Maggie Xia
3/3/13
How to Calculate Discount
Math
721
To calculate discount is an important skill that can save you money by helping you make
the right choice. When theres a sale on something youve been waiting for at two different stores,
youll most likel
Math
721
2/22/13
Maggie Xia
Solve, graph and check:
1. 6 - 2/3x > -10
2. 4n -3(n - 3) < 30
3. 60 > -2n
4. 2x < -10
Write an inequality, solve, graph and check:
5. Natasha wants to treat her friends to the movies.
She can spend at most $130. The movie tick
Math
721
Maggie Xia
3/20/13
Use theoretical or experimental probability to make a prediction.
1. If you roll a die 18 times, how many times would you expect a 5?
2. If you flip a coin 72 times, how many times would you expect a tail?
3. Ryan scored 5 goal
The Bronx Science Geometry Teachers Proudly
Present
THE (ULTIMATE)
GEOMETRY REVIEW
SHEET.WITH COMMON
CORE GOODNESS
(2015 Edition)
Some General Information
The Regents Exam Basics:
Time: 3 hours
Problems: 38
Part I: 28 multiple choice problems (2 pts each
The 140,000-code question | The Economist
1 de 1
http:/www.economist.com/node/21603077/print
How complex are health regulations?
The 140,000-code question
If the rules were simpler, defrauding Medicare would be harder
May 31st 2014 | From the print editio