Comparing Functions

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

• y-intercept
• slope
• macaroni
• nothing

What is the slope in the equation:  y=4x+3

• 3
• 4x
• 4
• x

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

How would you write the equation with a slope of 2/3 and a y-intercept of -3

• y=3/2x+3
• y=2/3-3
• y=2/3x-3
• y=2/3x+3

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 x-axis label?

• iPhone Charging Speed

• Time (minutes)

• Capacity (% charged)

• The origin

What is the meaning of the point (0, 40)?

• The battery has a 0% charge after 40 minutes

• It takes 40 minutes to charge the phone to 0%

• The battery begins with a 40% charge

• The battery dies after 40 minutes

Finish the statement: After 5 minutes, the battery charge increases by _____.

• 10%

• 50%

• 40%

• 5%

What is the y-axis label?

• Leona's Job Earnings

• Newspapers Delivered

• Total Pay (dollars)

What is the meaning of the point (20, 5)?

• If she delivers 20 newspapers, she will earn $5.

• If she earns $20, she will deliver 5 newspapers.