Interpret Slope and Y-Intercept

What is the slope of the line containing the points shown?

• 4

• -4

Which letter in the equation below represents the slope?

• y

• m

• x

• b

Which of the following is the slope of the linear function shown?

• 2

• -2

Which statement matches the graph?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute

What is the slope?

• $2/1 mile drive

• $1/2 miles driven

• 2 miles driven/$1 

• 1 mile driven/$2

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

What is the meaning of the y-intercept?

• The hamburger will cost $1.90 without any toppings.

• The hamburger will cost $1.40 without any toppings. 

• The cost of the hamburger is $1.90 with one topping

• The cost of the hamburger doesn't change no matter how many toppings there are.

The function C(m)=2.25+0.75m represents the total cost (C) you have to pay to take a cab m miles. What is 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 function C(m)=2.25+0.75m represents the total cost (C) you have to pay to take a cab m miles. What is 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 cost of the trip will increase by $2.25 per mile.

The height (H in inches) of a candle is represented by the linear function: H(t)=-0.25t+6, where t represents the time passed in hours. What is the meaning of the y-intercept?

• The height of the candle will decrease by 0.25 inches per hour

• The height of the candle will increase by 0.25 inches per hour.

• The candle is 6 inches tall before it is lit. 

• The candle is 0.25 inches tall before it is lit.