Math Supplement

1
Math Supplement The Proportionality
A is proportional to B
2
Math Supplement The Proportionality
A is proportional to B A a B
3
Math Supplement The Proportionality
A is proportional to B A a B A (constant)
B The constant is called the Constant of
Proportionality
4
Math Supplement The Proportionality
A a B A (constant) B Equation of a line y
mx b m slope b y intercept
A
The slope of the line is equal to the constant of
proportionality
For a strict proportionality, b 0
B
5
Math Supplement The Proportionality
A a B A (constant) B Equation of a line y
mx b m slope b y intercept
A
High slope
Low slope
B