1. Graph y = 2x -10 2. Graph 12x - 2y = 8

Write an equation of the line that passes through the points (0,4) and (2,10).
y= [ ]

3. Write an equation of a line that passes through the point (4,3) and is perpendicular to the graph of the equation y = -1/3x + 4
y= [ ]

4. An online media service offers video and music downloads. Each download of a song costs $1. Each download of a video cost 3 times as much as the song download. You have a credit of $90. How many songs can you purchase after buying 15 videos?
You can purchase [ ] songs.

5. You have an initial amount of $45 in a savings account and you deposit an equal amount into the account each week. After 5 weeks the account holds $105. Write an equation that represents the amount y (in dollars) of money in the account after x weeks. y= [ ]

6. A bathtub is draining at a constant rate. After 2 minutes, it holds 30 gallons of water. Three minutes later, it holds 12 gallons of water. Write an equation that represents the number y of gallons of water in the tub after x minutes. y= [ ]