Evaluating an expression with two variables ex 6, (b - c)^3; b = 4; c = 8

The video tutorial guides students through solving a mathematical problem involving substitution and order of operations. It begins with an introduction to the problem, followed by substituting given values into an expression. The instructor emphasizes the importance of following the order of operations, simplifying the expression, and calculating powers, particularly with negative exponents. The tutorial concludes with a summary and encouragement for students to practice the concepts on their own.

What is the first step in solving the problem after identifying the values of B and C?

• Add B and C

• Substitute the values of B and C into the expression

• Divide B by C

• Multiply B and C together

When following the order of operations, which operation should be performed first?

• Division

• Addition

• Subtraction

• Multiplication

What is the result of subtracting 8 from 4 in the expression?

• 8

• -4

• 4

• 0

How do you calculate the cube of a negative number?

• Multiply the number by itself three times

• Multiply the number by itself twice

• Divide the number by itself three times

• Add the number to itself three times

What is the final result of the expression B - C^3 when B = 4 and C = 8?

• -64

• -32

• 64

• 32