FOA: Linear Equations Word Problems #2

 A zoo keeper thinks there is a problem with the Mole-Rat population at the zoo. He starts keeping track of the animals in the tunnels. 7 days into his monitoring he counts 120 mole rats, 13 days in he counts 108. 
_{what information is provided?}

• point and a slope
• two points
• 2 objects-standard form 
• slope and y-intercept

 A zoo keeper thinks there is a problem with the Mole-Rat population at the zoo. He starts keeping track of the animals in the tunnels. 7 days into his monitoring he counts 120 mole rats, 13 days in he counts 108. 
_{What is the equation in slope intercept form?}

• y= - 134x + 2
• y = 2x+134
• y = - 2x+134
• y= 134x + 2

 A zoo keeper thinks there is a problem with the Mole-Rat population at the zoo. He starts keeping track of the animals in the tunnels. 7 days into his monitoring he counts 120 mole rats, 13 days in he counts 108. 
_{How many rats will there be in 67 days?}

• 0
• 67
• 13
• -12

There is a daily fee for renting a moving truck, plus a charge of $0.50 per mile driven.  If driven 48 miles, it costs $64 to rent a truck. 
_{What information is provided?}

• Point & slope
• 2 points
• slope and y-intercept
• 2 objects-standard form

There is a daily fee for renting a moving truck, plus a charge of $0.50 per mile driven.  If driven 48 miles, it costs $64 to rent a truck.  Find the daily fee.

• $40
• $53
• $37
• $42

The cost for 7 dance lessons is $82.  The cost for 11 lessons is $122. 
_{What information is provided?}

• Point & slope
• 2 points
• slope and y-intercept
• 2 objects-standard form

The cost for 7 dance lessons is $82.  The cost for 11 lessons is $122.
_{Write the equation that represents this situation.} 

• y=10x+12
• y=12x+10
• y=11x+7
• y=7x+11

A road side vegetable stand sells pumpkins for $5 and tomatoes for $3.  The total sales for one day was $98. 
_{what information is provided?}

• slope and y-intercept
• 2 points
• slope and a point
• 2 objects-standard form

A road side vegetable stand sells pumpkins for $5 and tomatoes for $3.  The total sales for one day was $98.
_{If they sold 10 pumpkins, find how many tomatoes they sold.}

• 16
• 12
• 22
• 25

A candlestick burns at a rate of .2 inches per hour.  After 8 hours the candlestick is 13.4 inches tall.  _{what information is provided?}

• A point and a slope
• 2 points
• slope and y-intercept
• 2 objects-standard form