6-1 Solving Systems by Graphing
A system of _ is a set of two or more linear
equations containing two or more variables.
A _ of a system of linear equations with two variables is an
ordered pair that satisfies each equation in the system.
If an ordered pa
Chapter 3 Section 1
Graphing and Writing Inequalities
Terms
Inequality: _
Solution of an Inequality: _
SIGNS
<
_
>
_
_
_
_
Graphing Inequalities
Draw a _ to show that the endpoints are solutions.
Use Closed Circles when using _ signs
Draw a _ to show that
4-1: Graphing Relationships
Continuous graphs:
Discrete graphs:
Example 1
A child grows taller at a steady pace
A child grows slowly then has a growth spurt
A child grows quickly then maintains a constant height then grows again
_
_
_
Example 2: Sketch a
7-1 Integer Exponents
Algebra I
_
Ex 1: One cup is 2-4 gallons. Simplify this expression.
Ex 2: Simplify.
A.
4-3
C.
(-5)-4
B.
70
D.
-5-4
Ex 3: Evaluate each expression for the given value(s) of the variable(s).
A.
x-2 for x = 4
B.
-2a0b-4 for a = 5 and b
Algebra 1 Section 5.1
Identifying Linear Functions
Linear FunctionLinear EquationStandard Form of a linear equation_ where A, B and C are real numbers and A and B are not both 0.
Ex. Look at the graphs below and tell which represent functions. If they are
12.1
Inverse Variation
An inverse variation function is:_
_
Words
Numbers
Algebra
y varies inversely as x.
y = 3/x
y = k/x
y is inversely proportional to x.
xy=3
xy=k(x0)
There are two methods used to determine whether a relationship between data is an in
2011-2012
Algebra I
Algebra I Syllabus
Course Information:
Teacher: Mr. Wyckoff
Room: 206 (ZEHS)
Text: Holt Algebra I
Course Goals:
To learn as much as we possibly can about algebra and how it applies to the real world.
Assessments: Grades will be determi
1-1 Variables and Expressions
Algebra I
VariableConstant
Numerical expression
Algebraic expression
Evaluate
_
Ex 1: Give two ways to write each algebraic expression in words.
A.
9+r
B.
q3
C.
7m
D.
j6
Ex 2:
A.
John types 62 words per minute. Write an expre
Chapter 2 Section 1
Solving Equations by Adding or Subtracting
Terms:
Equation: _
Solution of an equation: _
To Find Solutions:
1)
_
2)
_
Inverse Operations
Operation
Inverse Operation
Addition
Subtraction
Example 1
Solving Equations by Using Addition
x 1
8-1 Factors and Greatest Common Factors
Prime factorization - _
Greatest common factor (GCF)- _
Write a list of the prime numbers. _
_
In order to write a prime factorization:
1. Write the original number as a product of any two factors.
2. Keep re-writin