Linear Equation Real World

Bob has $150 in his savings account and saves $40 per month.

• y=150 + 40

• y=40x + 150

• y=150x + 40

Alex is selling tickets to a school play. An adult ticket costs $6.50 and a student ticket costs $4.00. Alex sells x adult tickets and 12 student tickets. Write an equation, C, to represent how much money Alex collected from selling tickets.

• C= $6.50x + $4.00(12)

• C= $6.50(12) +$4.00x

• C=$6.50x+$4.00x +12

• C=$10.50x+12

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

What is the meaning of the y-intercept of this graph?

• when the gas take is empty

• starting amount of gas

• rate at which the gas take empties

• the starting mileage

What is the situation of the linear graph?

• The beaker is being filled.

• The beaker is being emptied.

• The beaker is remaining the same amount

Which equation represents this situation: Rocky's Canoe Rental charges a flat fee of $25 and $30 per hour?

What is the meaning of the coordinate (4, 74)?

• At 74 hours, the temperature of the tank is 4 degrees.

• At 4 hours, the temperature of the tank is 74 degrees.

• After 4 hours the temperature of the take is 47 degrees.

Which of the following situations could be described by the equation y= -25x + 120

• There are 120 people in the football stadium, and 25 more are entering each hour.

• A plumber charges $25 for a house call and $120 per hour.

• A teacher has 120 students. Her third period has 25 students

• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

• Bella

• Seth

• Neither

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160