CFA 4&5 Review

Front

What is the formula to calculate profit (P) when selling items?

Back

P = Revenue - Costs

Front

If Monty sells pots for $5 each and spends $50 on materials, what is his profit formula?

Back

P = 5x - 50, where x is the number of pots sold.

Front

How do you represent the total number of items after a certain number of months if you start with a certain amount and add a fixed number each month?

Back

c = starting amount + (number added per month * number of months)

Front

If Barry has 350 comic books and buys 10 each month, what is the equation for the total number of comic books after m months?

Back

c = 10(m) + 350

Front

What does the slope (m) represent in the equation of a line y = mx + b?

Back

The slope (m) represents the rate of change of y with respect to x.

Front

If the slope of a line is zero, what does that indicate about the line?

Back

The line is horizontal, indicating no change in y as x changes.

Front

What is the relationship between the number of fish caught and the hours spent fishing if the equation is y = 2x + 2?

Back

For every hour spent fishing (x), 2 fish are caught (y), plus an initial 2 fish.

Front

What does the term 'slope' refer to in a graph?

Back

The slope indicates the steepness of the line and the direction of the relationship between two variables.

Front

In the equation y = mx + b, what does b represent?

Back

b represents the y-intercept, the value of y when x = 0.

Front

What is the significance of the y-intercept in a linear equation?

Back

It shows where the line crosses the y-axis.