Slope Intercept Form of an Line

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. Write an equation representing the cost, y, of renting a canoe for x hours.

• y = 30x + 20

• y = 30 + 20x

• y = 50x

• y = 60x

Which graph best represents the equation y = -3x + 4?

• 
• 
• 
• 

Why do we want to think of slope as a fraction?

• rise/run

• run/rise

• Fractions make things better

Which value is the slope in the equation: y= 4x + 2

• 4

• 2

• x

Which value is the y-intercept in the equation:

y= 2x -2

• 2

• -2

• 1

Which best represents the graph of y = 2x - 5?

• 
• 
• 
• 

What does "m" represent in y=mx+b?

• y-intercept

• slope

• macaroni

• nothing

Which equation matches the table?

• y = 3x + 9

• y = x + 9 

• y = x + 3

• y = 12x - 3

Find the slope from the table.

• -4

• 1

• 4

• -2

In the equation y = mx + b "b" is called the:

• y-intercept

• slope

• x-intercept