What is the primary focus of the initial study of systems of linear equations?

• Three equations in three variables

• Two equations in two variables

• Four equations in four variables

• One equation in one variable

In the real-world problem discussed, what were the two groups purchasing?

• Tickets and popcorn

• Drinks and snacks

• Movie tickets and drinks

• Tickets and meals

What was the cost of a drink as determined by solving the system of two equations?

• $5

• $7

• $10

• $12

When extending the problem to three variables, what additional item was considered?

• Popcorn

• Candy

• Nachos

• Soda

Which method was used to solve the system of three equations?

• Elimination method

• Graphical method

• Matrix method

• Substitution method

What was the price of a ticket as determined by solving the system of three equations?

• $6

• $5

• $12

• $10

What was the final price of popcorn in the solved system?

• $6

• $7

• $5

• $8

How many independent equations were needed to solve for the three unknowns?

• Three

• Four

• Two

• One

What does the unique solution of the system of equations represent?

• Multiple possible solutions

• A single unique solution

• No solution

• Infinite solutions

What type of problem will be explored in the next lecture?

• A linear problem

• A polynomial problem

• A quadratic problem

• A non-linear problem