Slopes Y Intercept

The graph shows the cost of renting a moving truck, y, depending on the number of miles, x, the truck is driven.

What is the rate of change of the cost with respect to the number of miles driven?

• The daily fee of renting the truck is $40.00.

• The cost per mile to rent a truck is $0.50.

• The maximum amount of miles the truck can be driven is 24.5.

• The cost of renting a truck cannot exceed $53.00.

What is the slope?

• $2/1 mile drive

• $1/2 miles driven

• 2 miles driven/$1 

• 1 mile driven/$2

The graph shows the cost of dance lessons, y, and the number of dance lessons taken, x.

What is the rate of change of the cost of the dance lessons with respect to the number of lessons taken?

• Each dance lesson costs $10.00.

• The maximum amount a person will pay for dance lessons is $115.00

• The maximum number of dance lessons a person can take is 9.

• The registration fee to begin dance lessons is $12.00

The graph shows the number of newspapers delivered and total pay for Leona’ newspaper delivery job.

What does the slope of this graph represent?

• The cost per newspaper

• The total cost of 20 newspapers

• The number of miles Leona travels

• The cost per mile

The slope is ​ ​ (a)   , and the y-intercept is ​ (b)   . The graph represents a ​ (c)   relationship.

• negative

• 0

• proportional

• positive

• non-proportional

• 1

• -1

• 2

Consider the following word problem. A job opening at Chik Fil A offers to pay $15 per hour plus a $50 hiring bonus. ​ (a)   is the number that repeats (slope) ​ (b)   is the one time fee (y-intercept)

• 15

• 50

The slope is ​ ​ (a)   , and the y-intercept is ​ ​ (b)   . The graph represents a ​ (c)   relationship.

• positive

• 0

• proportional

• negative

• non-proportional

• 1

• -1

• 20

Consider the following word problem. A job opening at Chik Fil A offers to pay $15 per hour plus a $50 hiring bonus. ​ (a)   is the number that repeats (slope) ​ (b)   is the one time fee (y-intercept)

• 15

• 50

The slope is ​ ​ ​ (a)   , and the y-intercept is ​ (b)   . The graph represents a ​ (c)   relationship.

• negative

• 5

• non-proportional

• positive

• proportional

• -2

• 0

• 2.5

The graph represents the money in a savings account.  What is the meaning of the y-intercept?

• The initial deposit was $30

• $30 is added to the account each week

• It took 30 weeks to same enough money to open an account

• not enough information