Solving a proportion using distributive property

Solving a proportion using distributive property

Assessment

Interactive Video

Mathematics, Social Studies

11th Grade - University

Hard

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The video tutorial encourages students to confidently submit their work and addresses common issues with cross multiplication, especially when dealing with binomials in fractions. It explains the cross multiplication technique, highlights common mistakes, and demonstrates the use of the distributive property. The tutorial concludes with solving two-step equations to find variable values.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a problem with a binomial in the denominator using cross multiplication?

Divide the numerators by the denominators

Subtract the denominators

Multiply each fraction by the other fraction's denominator

Add the numerators together

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using cross multiplication, why is it important to use parentheses around expressions?

To divide the terms inside the parentheses

To ensure each term is multiplied correctly

To subtract the terms inside the parentheses

To add the terms inside the parentheses

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 12 by 2 in the cross multiplication example?

18

14

24

36

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation 24 = 3Y + 18, what is the next step to solve for Y?

Subtract 18 from both sides

Add 18 to both sides

Multiply both sides by 3

Divide both sides by 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final value of Y in the equation 6 = 3Y?

Y = 4

Y = 1

Y = 2

Y = 3