Review Questions

Front

What does the expression 1,000(1.05)^x represent in terms of money growth?

Back

It represents the amount of money in an account after x years, where the amount increases by 5% each year.

Front

What does the value 1.05 represent in the expression 1,000(1.05)^x?

Back

The amount in the account increases by 5% each year.

Front

If Marlon invested $4,200 at an interest rate of 3.5% compounded annually, which equation represents the value of the account after x years?

Back

Front

What is the significance of the term 'compounded annually' in finance?

Back

It means that the interest earned is added to the principal once a year, and future interest calculations are based on the new total.

Front

What does a system of equations represent in mathematics?

Back

It represents a set of equations with the same variables, and the solution is the point(s) where the equations intersect.

Front

What does it mean if two lines in a system of equations are parallel?

Back

It means there are no solutions because the lines never intersect.

Front

What is the result of multiplying two linear functions, f(x) and g(x)?

Back

The result is a quadratic function, h(x) = f(x) * g(x).

Front

What is the general form of a quadratic function?

Back

Front

How do you determine the price of items sold using a system of equations?

Back

You set up equations based on the quantities sold and total revenue, then solve for the unknown prices.

Front

Back

It represents the total revenue from selling 10 T-shirts at price x and 3 jackets at price y.