Final Review

Front

What is the weighted average formula for calculating a student's final grade?

Back

Final Grade = (Test Average * Test Weight) + (Quiz Average * Quiz Weight) + (Homework Average * Homework Weight) + (Classwork Average * Classwork Weight) where weights are expressed as decimals.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 12% = 12 ÷ 100 = 0.12.

Front

What is the cost per litre if a 25-L container of water costs $18.75?

Back

Cost per litre = Total Cost / Volume in Litres = $18.75 / 25L = $0.75/L.

Front

What defines a linear function?

Back

A linear function is a function that graphs to a straight line and can be expressed in the form y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you express a percentage as a decimal and a fraction?

Back

To express a percentage as a decimal, divide by 100. To express it as a fraction, place the percentage over 100 and simplify. For example, 44% = 0.44 and 44/100 = 11/25.

Front

What is the formula for calculating the average of a set of grades?

Back

Average = (Sum of all grades) / (Number of grades).

Front

What is the significance of weights in calculating a final grade?

Back

Weights determine the contribution of each component (tests, quizzes, etc.) to the final grade, reflecting their importance.

Front

How do you find the total cost of multiple items?

Back

Total Cost = Price per item * Quantity of items.

Front

What is the difference between linear and nonlinear functions?

Back

Linear functions have a constant rate of change and graph as straight lines, while nonlinear functions have varying rates of change and graph as curves.

Front

How do you convert a decimal to a percentage?

Back

To convert a decimal to a percentage, multiply the decimal by 100. For example, 0.12 = 0.12 * 100 = 12%.