Is a Linear Equation Proportional

Which equation matches the graph?

• y = 60x

• y = 40x

• y = 80x

• y = 20x

Which equation shows how much rain falls per hour?

• y = 2x

• y = 3x + 1

• y = -2x

• y = -3x + 1

Which statements are true for this graph?

• It is a proportional relationship

• The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

• The cleaner uses 4 cups of cleaner to 2 cups of vinegar

• The equation for the line is y = 2x

What is the equation for the graph?

• y = 46x

• y = 46x - 5

• y = 92x

• x = 92y

Write an equation for this situation.

• y = 9.75x

• y = 19.25x + 10

• y = 19.25x

• y = -19.25x

Which of the equations below is proportional?

• y = 6x

• y = 3x + 2

• y = 2x + 4

• y = -2x -1

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/2 hours

• 1 mile/1 hour

What is the equation of the line shown on the graph?

• y = 96x + 1

• y = 45x

• y = 47x

• y = 94x + 5

Does this graph represent a proportional relationship?

• Yes

• No

Sally will earn $30 for every 5 hours that she babysits. Which of the following equations can be used to represent the proportional relationship?

• y = 1/6x +30

• y = 6x

• y = 5x + 6

• y = 6x +5