Cyc 2 Qz 1 2.2-2.3

Front

What is the formula to calculate the average score of a set of numbers?

Back

The average score is calculated by dividing the sum of all scores by the number of scores. Formula: Average = (Sum of scores) / (Number of scores).

Front

Back

Front

What is the value of any expression raised to the power of zero?

Back

Front

How do you multiply two algebraic expressions like (2a^2b^4z) and (6a^3b^2z^5)?

Back

To multiply, multiply the coefficients and add the exponents of like bases: (2*6)a^{2+3}b^{4+2}z^{1+5} = 12a^5b^6z^6.

Front

What is a weighted mean and how is it calculated?

Back

A weighted mean is calculated by multiplying each value by its weight, summing these products, and then dividing by the total weight. Formula: Weighted Mean = (Σ(value * weight)) / (Σ(weight)).

Front

What is the significance of the coefficients in a polynomial expression?

Back

Coefficients are the numerical factors in a polynomial that multiply the variable terms. They determine the polynomial's value for given variable inputs.

Front

What does it mean to simplify an algebraic expression?

Back

Simplifying an algebraic expression means to reduce it to its simplest form by combining like terms and eliminating unnecessary parentheses.

Front

What is the process for finding the average of three numbers?

Back

To find the average of three numbers, add the three numbers together and then divide by 3. Example: Average of 85, 89, and 99 is (85 + 89 + 99) / 3 = 91.

Front

How do you handle exponents when dividing like bases?

Back

Front

What is the formula for calculating the final grade based on weighted components?

Back

Final Grade = (Homework Grade * Homework Weight) + (Project Grade * Project Weight) + (Exam Grade * Exam Weight).