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Untitled Presentation

Untitled Presentation

Assessment

Presentation

Mathematics

8th Grade

Practice Problem

Hard

Created by

José Alberto Canchila Medina

FREE Resource

34 Slides • 28 Questions

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Multiple Choice

Simplify: 3+5(2)-3 + 5 - (-2)

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00

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44

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1010

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66

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4

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Open Ended

Why is it important to learn how to simplify and solve equations in mathematics?

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Multiple Choice

Which of the following is a common reason for factoring algebraic expressions?

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To make equations easier to solve

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To increase the complexity of equations

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To change the variables in an equation

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To avoid using algebraic methods

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Multiple Choice

What is the main purpose of factorization in algebra?

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To simplify algebraic expressions and solve equations more easily

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To make expressions more complex

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To eliminate variables from equations

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To convert numbers into decimals

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Multiple Choice

Which of the following expressions is equivalent to (x + 2)(x + 3)?

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x^2 + 5x + 6

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x^2 - 5x + 6

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x^2 + 6x + 5

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x^2 - 6x + 5

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Open Ended

What are the steps involved in factoring by grouping?

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Fill in the Blank

The expression a^2 - b^2 can be factored as ___

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Open Ended

Explain the difference of squares and provide an example of how it is factored.

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Multiple Select

Select all the correct identities related to perfect square trinomials and difference of squares.

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(a+b)^2 = a^2 + 2ab + b^2

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(a-b)^2 = a^2 - 2ab + b^2

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a^2 - b^2 = (a+b)(a-b)

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(a+b)^2 = a^2 - 2ab + b^2

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Multiple Choice

Which method is used to factor trinomials when 'a' is different from 1 in ax² + bx + c?

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Aspa simple (multiplication and division)

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Difference of squares

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Sum of cubes

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Quadratic formula

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Multiple Choice

Which of the following is the correct factorization for a³ + b³?

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(a + b)(a² - ab + b²)

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(a - b)(a² + ab + b²)

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(a + b)(a² + ab + b²)

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(a - b)(a² - ab + b²)

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Fill in the Blank

Fill in the blank: To factor x³ - 8, use the formula (x - 2)(x² + ___x + 4).

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Multiple Select

Select all the steps that are part of the general strategy for factoring polynomials.

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Look for the common factor first

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Count the terms of the polynomial

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If two terms, check for difference of squares

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If three terms, check for perfect square trinomial or general trinomial

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Open Ended

How can combining different factoring methods help simplify a polynomial completely?

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Open Ended

What method of factorization would be most appropriate to solve the expression 4x² - 9y²? Why?

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Multiple Select

Which of the following expressions can be factored using the difference of squares method?

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49a² - 81b²

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x² + 10x + 25

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6x²y - 9xy² + 3xy

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x² - y²

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Multiple Choice

What is the process of transforming an algebraic expression into a product of simpler factors called?

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Factorization

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Simplification

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Expansion

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Division

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Multiple Select

Which of the following are key applications of factorization in mathematics?

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Solving quadratic equations

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Finding hidden patterns

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Organizing puzzles

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Calculating averages

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Open Ended

Explain why factorization is a fundamental tool in algebra and how it helps in solving equations.

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Fill in the Blank

Identify the greatest ___ that all terms in a polynomial share.

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Multiple Choice

Which of the following is the correct factorization for the difference of squares a² - b²?

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(a + b)(a - b)

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(a + b)²

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(a - b)²

4

(a² + b²)

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Open Ended

Explain how you can identify a perfect square trinomial and provide an example.

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Fill in the Blank

To factor x² + 5x + 6, you need to find two numbers that ___ to 5 and multiply to 6.

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Open Ended

Describe the process for factoring a trinomial of the form ax² + bx + c when 'a' is not equal to 1.

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Multiple Choice

What is the factorization of a³ + b³ according to the 'magic rule'?

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(a + b)(a² - ab + b²)

2

(a + b)(a² + ab + b²)

3

(a - b)(a² + ab + b²)

4

(a - b)(a² - ab + b²)

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Multiple Select

Select all the correct polynomial identities shown in the images.

1

(a + b)² = a² + 2ab + b²

2

(a - b)² = a² - 2ab + b²

3

a² - b² = (a + b)(a - b)

4

a³ + b³ = (a + b)(a² - ab + b²)

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Multiple Select

Which of the following topics from today's session would you like to review or need more practice with?

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Common Factor and Grouping

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Difference of Squares and Trinomials

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Sum and Difference of Cubes

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Strategies and Practice

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Open Ended

Reflecting on today's lesson about simplifying and solving equations, what is one strategy you found most helpful, and is there any part you would like to explore further?

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