How to solve a proportion with a variable on both sides

How to solve a proportion with a variable on both sides

Assessment

Interactive Video

Mathematics, Social Studies

11th Grade - University

Hard

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The video tutorial explains how to solve equations with variables on both sides without relying on cross multiplication, which can lead to errors. Instead, it emphasizes using the least common multiple to eliminate denominators. The tutorial provides a step-by-step guide on correctly multiplying terms and solving the equation to find the variable.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common mistake students make when solving proportions with variables on both sides?

Adding the denominators together

Multiplying only the numerators

Ignoring the variables

Using cross multiplication without understanding

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to find the least common multiple when dealing with different denominators?

To avoid using variables

To simplify the numerators

To ensure the denominators are equal

To make the equation longer

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you be careful about when multiplying by the least common multiple?

Multiplying both the numerator and denominator

Only multiplying the denominator

Ignoring the least common multiple

Multiplying only the numerator

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the terms when you multiply by the least common multiple and they cancel out?

They remain unchanged

They become zero

They simplify the equation

They disappear completely

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step in solving the equation with variables on both sides?

Adding the variables together

Subtracting the variables from both sides

Dividing by the variable

Multiplying the variables