Solving a proportion using cross multiplication

The video tutorial covers solving proportions using cross multiplication. It begins with an introduction to proportions and explains the process of cross multiplication. The tutorial then demonstrates the application of the distributive property in solving equations and discusses the handling of negative signs. The video concludes with the final solution to the problem, emphasizing that the placement of negative signs does not affect the outcome as long as they are applied consistently.

What is a proportion in mathematical terms?

• A sum of two numbers

• A product of two numbers

• A ratio equal to another ratio

• A difference between two numbers

What is the first step in solving a proportion using cross multiplication?

• Add the numerators

• Multiply the denominators

• Cross multiply the terms

• Subtract the denominators

When applying the distributive property, what must you ensure?

• Multiply only the first term

• Multiply both terms inside the parentheses

• Add the terms inside the parentheses

• Divide the terms inside the parentheses

How should you handle a negative sign in a proportion?

• Only apply it to the denominator

• Apply it to either the numerator or the denominator

• Apply it to both the numerator and denominator

• Ignore it completely

What is the final value of X in the solved equation?

• 3/4

• 1/2

• 5/7

• 7/5