Algebra 2 Exam

Semester Final:

Well Defined Set:

-Specific terms that you can count or verify

Ex: All even numbers divisible by 5

Not a Well Defined Set:

All words that are hard to pronounce

Linear Equations

Linear goes through (-4,-15) and (6,5)

Slope formula: y2-y1/x2-x1=slope

Slope=2

y-intercept is (0, ?)

which=-7

True or false statements/ Number Statements

Square root of 17 is a rational number: False

0 is an integer: True

-6 is a natural number: False

8/3 is a real number: True

Natural Numbers:

-Positive counting numbers

Whole Numbers:

-0

Rational Numbers:

-Fractions and decimals

Integers:

-negative numbers

Formula: y=Ax+B

12x + 3y = -24

point (-2,11)

Inequalities

Functions:

Domain: X

Range: Y

Graphing

Inverse Operations:

Ex: -1/2 (x+6)+9

Y= Ax+B

What are the Values of A and B?