Create Linear Equations from Various Representations

What equation represents this graph? (Click on the image to enlarge)

• y = 60x

• y = 40x

• y = 80x

• y = 20x

Which statement below accurately represents the graph? (Click on the image to enlarge)

• $100 is earned for each hour worked

• $100 is earned for every 2 hours worked

• $500 is earned for every 8 hours worked

• $200 is earned for every 3 hours worked

Write the equation of the line. (Click on the image to enlarge)

• y= -1x-3

• y= -3x-1

• y=-1/3x-1

• y= -3x-3

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x

• y=15x+80

• y=x+15

• y=80x+15

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

A rain gauge shows 3 cm of rainwater. Which of the following equations give the height, h, if it rains at a rate of 0.25 cm per hour, after t amount of hours?

• h = 0.25t + 3

• h = 3t + 0.25

• t = 0.25t - 3

• t = 3h + 0.25

A camp charges families $625 per month for one child then $225 per month for each additional child. The linear equation y = 225x + 625 represents the amount a family with x additional children would pay.  Identify the slope and y-intercept. 

• a

• b

• c

• d

Which equation identifies the relationship in the table?

• y = 2x - 5

• y = -2x + 5

• y = 2x + 5

• y = -2x - 5

Which of the following linear equations best represents the graph shown?

• y = 10x - 2

• y = -2x + 10

• y = 2x + 10

• y = 5x
• y = x + 5
• y = x + 470
• y = 94x