Linear Relationships

The point where the graph crosses the y-axis

• y-intercept
• x-intercept
• origin
• point of intersection

Slope is the ratio of 

• run to rise
• rise to run

A pair of numbers in the form (x, y)

• coordinate pair
• origin
• x-coordinate
• y-coordinate

Which best describes the equation?
y = 75x

• Proportional
• Nonproportional

Which best describes this equation?
y= 3.75x + 2

• Proportional 
• Non-proportional

What is the rate of change (slope) to rent a raft from Water's Edge Rafts?

• $6 per hour
• $5 per hour
• $1 for 6 hours
• $1 for 5 hours

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Bowling costs $4 for shoe rental plus $5 for every game. Which equation shows how much it costs to go bowling for x games?

• y = 4x + 5
• y = 5x + 4
• y = 4•5•x
• y = 5x - 4

Which equation matches this situation:
Cameron's lunch account started at $50. He withdrew $3 a day for lunch.
A = account $
d = day

• d = $3A - 50
• A = 53d
• A = 50 - 3d
• A = 3d + 50

Which equation matches this situation:
Declan has a walking rate of 2.1 meters per second and had a 10 meter head start
d = distance
t = time in seconds

• d = 2.1t + 10
• d = 10t + 2.1
• d = 12.1t
• t = 2.1d + 10