Meaning of Slope Intercept

What is the meaning of the y-intercept?

• The cost for the service without any hours of calling is $5

• The cost of the service without any hours of calling is $6

• The cost per minute is $0.05

• The cost per minute is $0.50

What is the meaning of the slope?

• The cost for the service without any hours of calling is $5

• The cost of the service without any hours of calling is $6

• The cost per minute is $0.05

• The cost per minute is $0.50

What is the y-intercept of this graph?

• (0,1)

• (0,-2)

• (0,0)

• (0,3)

The table represents a used car salesman's monthly salary including commission made on the sale of cars.  What is the slope and what does it represent?

• The slope is $850/car and it represents the commission per car sold.

• The slope is $425/car and it represents the commission per car sold.

• The slope is $1500 and it represents the monthly salary before commission.

• The slope is $850 and it represents the monthly salary before commission.

The equation c = 0.20t + 3.50 shows the relationship between the charge c in dollars for renting a kayak for t minutes.  What is the meaning of the slope of the equation?

• For $1.00, you can rent a kayak for 20 minutes.

• It costs $0.20 per minute to rent the kayak.

• You have to pay $0.20 up front before using the kayak at all.

• Every .2 minutes, you have to pay $1.00.

The table represents a used car salesman's monthly salary including commission made on the sale of cars.  What is the y-intercept and what does it represent?

• The y-intercept is $850/car and it represents the commission per car sold.

• The y-intercept is $1500/car and it represents the commission per car sold.

• The y-intercept is $1500 and it represents the monthly salary before commission.

• The y-intercept is $2775 and it represents the monthly salary before commission.

June sells magazines at a coffee shop and earns a salary plus commission. The amount of money, y, she made after selling x worth of magazines (in total dollars) is represented by the following equation: y= 0.3x + 220 What does the slope in the equation represent?

• June's hourly wage, 0.30 dollars per hour.

• June's earned commission 30% of her sales.

• June's earned commission, 220 dollars.

• June's salary, 220 dollars.

The equation below represents the number of people, y, in line at a movie theater each hour x from 9 p.m. - 11 p.m.

y = -20x + 45

What does the slope in the equation represent?

• The number of people in line decreased by forty-five people per hour.

• The number of people in line increased by forty-five people per hour.

• The number of people in line increased by twenty people per hour.

• The number of people in line decreased by twenty people per hour.