Lines and Functions

What is the equation of the linear function?

• y = -3x + 10
• y = -3x + 16
• y = 3x + 10
• y = 3x + 16

Write the equation of the line.

• y= -1x-3
• y= -3x-1
• y=-1/3x-1
• y= -3x-3

Which equation matches the graph? (Click me to see the image)

• y = 2x
• y = 1/4 x + 2
• y = 1x + 4
• y = -2x

Which is the graph of y= -x + 2? 

• A
• B
• C
• D

Identify the slope of the following graph.

• Positive

• Negative

• Zero

• Undefined

Identify the slope of the following graph.

• Positive

• Negative

• Zero

• Undefined

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

What is the average rate of change between hour 15 and hour 30?

• $93.75/hr

• $6.25/hr

• $43.75/hr

• $6.75/hr

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

• 200 feet/hour

• 116 feet/hour

• 150 feet/hour

• 170 feet/hour