Interpret Slope Intercept Form

To ride in a cab, you have to pay a flat rate plus an additional fee per mile. The equation y=0.75x+2.25 represents this scenario. Interpret the meaning of the y-intercept.

• The cost of the trip will increase by $0.75 per mile. 

• You will have to pay $2.25 before you travel any miles. 

• You will have to pay $0.75 before you travel any miles.

• The total cost of the cab ride.

To ride in a cab, you have to pay a flat rate plus an additional fee per mile. The equation y=0.75x+2.25 represents this scenario. Interpret the meaning of the slope.

• The cost of the trip will increase by $0.75 per mile. 

• You will have to pay $2.25 before you travel any miles. 

• You will have to pay $0.75 before you travel any miles.

• The cost of the trip will increase by $2.25 per mile.

The equation y = -6x + 40 represents a full tub of water draining each minute. Interpret the meaning of the slope.

• The tub loses 6 gallons of water each minute.

• The total amount of water left in the tub after x minutes of draining.

• There was initially 40 gallons of water in the tub.

• The number of minutes the tub has been draining for.

Determine the slope and y-intercept.         y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 

• slope: 3/2   y-intercept:  (0,3) 

• slope:  4  y-intercept:  (0,3/2)

• slope: 1/5   y-intercept:  (0,5) 

What does the slope show?

• day per thousand

• salary per day

• thousands per slope

• director per day

What does the slope mean in the context of the problem?

• The cost will increase by $1.40 per topping

• The cost will decrease by $1.40 per topping

• The cost will increase by $1.90 per topping

• The cost will decrease by $1.90 per topping 

The equation y=4x+2 represents a ​ ​ (a)   relationships because it contains a ​ (b)  

• non-proportional

• y-intercept that is not 0.

• x-intercept that is not 0.

• slope

• proportional

• non-function

Tags

8.5.H

What does the slope represent?

• 1 movie per millions

• admit one

• salary per movie

• highest paid salary

Joe tracked the height of his Dalmatian puppy from age 13 weeks to 25 weeks. He graphed the data and determined the line of best fit is y = 1.12x + 28.78. What does the slope represent in this situation?

• The puppy weighed 28.78 pounds at age 13.

• For every week that goes by, the puppy gains 1.12 pounds.

• The puppy gains a pound every 1.12 weeks.

• The puppy weighs 1.12 pounds when it was born.

Joe tracked the height of his Dalmatian puppy from age 13 weeks to 25 weeks. He graphed the data and determined the line of best fit is y hat= 1.12x + 28.78. What does the slope represent in this situation?

• The puppy weighed 28.78 pounds at age 13.

• For every week that goes by, the puppy gains 1.12 pounds.

• The puppy gains a pound every 1.12 weeks.

• The puppy weighs 1.12 pounds when it was born.