Building Inequalities and Equations M3T3L3

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. That are the Independent and Dependent quantities?

• Independent = Time Dependent = Depth

• Independent = Depth Dependent = Time

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. What is the unit rate?

• -250 minutes per feet

• -250 feet per minute

• 250 feet per minute

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. What equation can we use to represent Deep Flight 1's depth?

• d= -250t

• d= 250t

• d= 250t+0

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. How deep would Deep Flight 1 be after 1 minute?

• -250 feet

• 250 feet

• 0 feet

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. How deep would Deep Flight 1 be after 5 minute?

• -1250 feet

• 500 feet

• 1250 feet

• -50 feet

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. How many minutes would it take for Deep Flight 1 to be 1000 feet below sea level?

• 4 minutes

• 5 minutes

• 3 minutes

• 2 minutes

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. How many minutes would it take for Deep Flight 1 to be 1500 feet below sea level?

• 6 minutes

• 5 minutes

• 7 minutes

• 4 minutes

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. Which inequality represents all the possible values for time?

• $t\ \ge\ 0$
  

• $t\le0$
  

• $t\le-250$
  

• $t\ge-250$
  

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. Which inequality represents all the possible values for depth?

•  $d\le0$  
  

•  $d\ge0$  
  

•  $d\ge-250$  
  

•  $d\le-250$  
  

Deep Flight 1 submarine is making it's last voyage. It is doing to dive, starting at sea level, by descending 250 feet every minute. How deep would Deep Flight 1 be after 90 seconds?

• -375 feet

• 375 feet

• -22500 feet

• 22500 feet