November 2016
Monthly MathCounts Challenge
Part 1: Sprint Round (30Q, 40min)
1. Jacob has decided to coin the term krazy number. A number is considered a krazy number if it
is a multiple of four, is true under the inequality 20 < x < 120, and has digit su
November 2016
Monthly MathCounts Challenge
Part 1: Sprint Round (30Q, 40min)
1. Jacob has decided to coin the term krazy number. A number is considered a krazy number if it
is a multiple of four, is true under the inequality 20 < x < 120, and has digit su
November 2016
Monthly MathCounts Challenge
Part 1: Sprint Round (30Q, 40min)
1. Jacob has decided to coin the term krazy number. A number is considered a krazy number if it
is a multiple of four, is true under the inequality 20 < x < 120, and has digit su
The Westminster
Schools
Responsible Use
Policy
Drafted by: Avinash
Athota
Date Drafted: November 16, 2016
-Siempre:
1. Carga su computadora cada da.
2. Lleva su computadora a cada clase.
3. Pone su telfono cellular en su armario antes de su
clases.
4. Apa
November 2016
Monthly MathCounts Challenge
Part 2: Target Round (8Q, 48min)
1. Darla can do a job in eight hours while Lonnie can do the same job in six hours. Both Darla
and Lonnie work three hours on the job. How much of the job is left to be finished?
November 2016
Monthly MathCounts Challenge
Part 2: Target Round (8Q, 48min)
1. Darla can do a job in eight hours while Lonnie can do the same job in six hours. Both Darla
and Lonnie work three hours on the job. How much of the job is left to be finished?
November 2016
Monthly MathCounts Challenge
Part 1: Sprint Round (30Q, 40min)
1. Jacob has decided to coin the term krazy number. A number is considered a krazy number if it
is a multiple of four, is true under the inequality 20 < x < 120, and has digit su
The Westminster
Schools
Responsible Use
Policy
Drafted by: Avinash
Athota
Date Drafted: November 16, 2016
-Siempre:
1. Carga su computadora cada da.
2. Lleva su computadora a cada clase.
3. Pone su telfono cellular en su armario antes de su
clases.
4. Apa
Avinash Athota
Mrs. Davis
English 8B - 1
6 December 2016
Change of Identity in Face of Oppression
Both in the book, The Rock and the River, and in real life, oppression shapes our
character every day. It builds our determination and grit, by providing str
5.5 Nonlinear Systems of Equations
Solving Nonlinear Systems with Real Solutions
The substitution method works well for solving many such systems, particularly when one of the equations is
linear, as in the next example.
CLASROOM EXAMPLE 1 Solving a Nonli
5.3 Determinant Solution of Linear Systems
Determinants
Determinant of a 2 2 Matrix
a
If A 11
a21
a12
, then
a22
A
a11
a12
a21
a22
a11a22 a21a12 .
CLASSROOM EXAMPLE 1 Evaluating a 2 2 Determinant
5 8
Let B
. Find B .
2 4
Determinant of a 3 3 Matri
5.7 Properties of Matrices
CLASSROOM EXAMPLE 1 Finding Values to Make Two Matrices Equal
Find the values of the variables for which each statement is true, if possible.
(a)
Adding Matrices
CLASSROOM EXAMPLE 2 Adding Matrices
Find each sum, if possible.
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