Finding Slope and Y-Intercept on a Graph

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 y-intercept?

• It costs $3.50 per minute to rent a kayak.

• For $0 you can rent a kayak for 3.5 minutes.

• Every 3.50 minutes, you have to pay $1.00.

• You have to pay $3.50 up front before using the kayak.

If m=3 and b=6, what is the correct slope intercept equation?

• y=3-6

• y=3x-6

• y=3x+6

• y=6x+3

What is the y-intercept?

• 65

• 60

• 70

• -5

What is the y-intercept?

• 250

• 200

• 180

• 150

Write the equation of the line.

• y = -2/3x + 4

• y = 2/3x + 4

• y = 3/2x + 4

• y = -3/2x + 4

What is the y-intercept of the line graphed below?

• 3

• 4

• -3

• 4/3

What is the y-intercept in the equation y= -2x + 5

• -2

• 3

• 5

• Cannot be Determined

Find the y-intercept

• (6,0)

• (0,6)

• (0,3)

• (0,1)

What is the y-intercept of the line y = 4x - 10?

• 4

• -4

• 10

• -10

What is the best expression for finding the slope from a graph?

• rise/run

• rise+run

• run/rise

• run-rise