| Category | Format | Size |
|---|---|---|
| People's Education Press Eighth Grade Mathematics Volume 1 | pptx | 6 MB |
"Formula Method of Square Difference Formula" Multiplication and factorization of integers PPT
Description
"Formula Method of Square Difference Formula" Multiplication and factorization of integers PPT
Part One: Knowledge Review
1. What is factorization?
Convert a polynomial into the product of several integers,
This transformation is called factoring the polynomial,
It is also called factoring this polynomial.
2. What is the relationship between factoring and multiplication of integers?
Factoring and multiplication of integers are transformations in opposite directions.
PPT of the squared difference formula of the formula method, part 2: review of the squared difference formula
Fill in the appropriate expressions within the horizontal lines to make the equation true:
This process is integer multiplication
This process is factorization
Factored Difference of Squares Formula
The square difference of two numbers is equal to the product of the sum of the two numbers and the difference of the two numbers.
formula method
The method of factoring a polynomial by using the multiplication formula inversely is called the formula method.
Whether it satisfies the square difference
Can the following expressions be decomposed using the square difference formula? If it can be broken down, into what? If you can't explain the reason.
The form of square difference
Can the following polynomials be converted into the form?
If so, please convert it into the form.
Formula method of squared difference formula PPT, the third part: summary
What did we learn in this lesson?
1. The formula for the factored difference of squares:
2. Steps to decompose factors using the squared difference formula: first convert it into the form of squared difference, and then decompose it
3． Notes on factoring:
① You must lift it first if you can; ② It must be decomposed thoroughly.
PPT courseware for the first volume of eighth-grade mathematics published by the People's Education Press can be downloaded for free, PPT download of the square difference formula of the formula method, PPT download of the multiplication and factorization of integers, in .PPT format;
For more information about the PPT courseware "The Formula for the Difference of Squares by the Method of Multiplication and Factorization of Integers", please click the PPT tag of the PPT tab of the PPT Formula of the Method of Multiplication and Factorization of Integers.
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Update Time: 2024-07-01
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