Modeling Situations Using Linear Relationships

Determine the equation of the line based on the graph.

• y = -2x + 1

• y = -x + 2

• y = 2x + 1

• y = -2x + 2

Bob has $150 in his savings account and saves $40 per month. Which equation represents the amount Bob has in his account after x months?

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40

What is the apparent slope of the line shown in the graph?

• 2

• -2

• 1/2

• -1/2

Find the equation using the table

• y= -4x-5

• y-4x=5

• y=-4x+5

What is the equation for this graph?

• y = ⅔ x + 3

• y = -⅔ x + 3

• y = ⅔ x - 3

• y = -⅔ x - 3

What is the equation for this graph?

• y = -3/7x + 4

• y = -7/3x + 4

• y = -3/7x + 10

• y = -7/3x + 10

Abby decides to get a magazine subscription. It costs her $2 per magazine plus an initial fee of $3. Define the variables

• y=the cost, x=the number of magazines

• y=the number of magazines, x=the cost

Abby decides to get a magazine subscription. It costs her $2 per magazine plus an initial fee of $3. Define the parameters.

• m= $2 per magazine, b= the initial fee of $3

• m= the initial fee of $3, b=$2 per magazine

A T-shirt design company charges your team an initial fee of $25 to create the team's design. Each t-shirt printed with your design costs an additional $8. The equation for this situation is y = 8x + 25. Interpret the y-intercept in context.

• The additional fee of $8.

• The initial fee of $25.

• The initial fee of $8.

• The additional fee of $25.

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 = 4 + 5x

• y = 5 + 4x

• y = 4•5•x

• y = 5x - 4