6-3 Notes p447

What is a linear relationship in mathematics?

• A relationship that forms a triangle

• A relationship that forms a line

• A relationship that forms a square

• A relationship that forms a circle

In the babysitting example, what is the independent variable?

• The amount of money earned

• The number of hours babysat

• The number of children babysat

• The day of the week

How do you determine the rule for the relationship between hours and earnings in the babysitting example?

• By dividing each hour by three

• By adding five to each hour

• By multiplying each hour by six

• By subtracting two from each hour

What is the equation for the relationship where y is the earnings and x is the hours worked?

• y = 8x

• y = 7x

• y = 6x

• y = 5x

When graphing a linear relationship, what does the x-axis typically represent?

• The independent variable

• The dependent variable

• The number of lines

• The total earnings