Linear Equations and Pool Draining

What is the main focus of the chapter introduced by Professor Von Schmohawk?

• Quadratic equations

• Linear equations in real-world problems

• Graph theory

• Calculus applications

What task does Professor Ethylene need Hulk to complete?

• Wash the car

• Mow the lawn

• Clean the house

• Drain the pool

What is the special rate Geekman offers Hulk for pool draining?

• $49 an hour

• $10 an hour

• $50 an hour

• $3 an hour

At what time does Hulk start draining the pool?

• 3 p.m.

• 12 noon

• 10 a.m.

• 6 p.m.

What is the water level at 1:30 p.m.?

• 10 feet

• 8 feet

• 6 feet

• 12 feet

How many data points are initially used to determine the water level function?

• One

• Three

• Four

• Two

What is the calculated slope of the line segments connecting the data points?

• Zero

• Positive four-thirds

• Negative four-thirds

• Negative two-thirds

What is the initial depth of the pool when the drain is first opened?

• 10 feet

• 8 feet

• 12 feet

• 6 feet

At what time will the pool be completely empty according to the calculations?

• 10 p.m.

• 8 p.m.

• 9 p.m.

• 7 p.m.

What is the water depth at 8 p.m. when the guests arrive?

• Six inches

• Completely empty

• Two feet

• One foot, four inches