Connecting Proportional Relationships and the Equation of a Straight Line

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

Does the equation show a proportional relationship?

• Yes
• No

Which best describes the equation?
y = 75x

• Proportional
• Nonproportional

What is the unit rate for the rain fall?

• 2 cm per hour
• 1 cm per hour
• ¹/₂ cm per hour
• 4 cm per hour

• 3

• 1

• 1.5

• 2

Which of the equations below is proportional?

• y = 6x

• y = 3x + 2

• y = 2x + 4

• y = -2x -1

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

• -4
• -4x
• 5
• -5

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute