高中数学:如何multiply polynomials in pre-algebra

Study concepts, example questions & explanations for High School Math

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Example Questions

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Example Question #1 :How To Multiply Polynomials In Pre Algebra

Simplify:

Possible Answers:

Correct answer:

Explanation:

First you look at the. Nine is a perfect square, meaning. Because the negative sign is outside the radical, you add it in at the end of the problem, after=. Therefore, the answer is.

Example Question #2 :How To Multiply Polynomials In Pre Algebra

Possible Answers:

Correct answer:

Explanation:

First you multiply the coefficientsand. Then you use the rules of exponents to add the exponentsbecause you are multiplying the bases. This becomes. You then combine the two parts to equal.

Example Question #3 :How To Multiply Polynomials In Pre Algebra

What is?

Possible Answers:

Correct answer:

Explanation:

When multiplying polynomials you add the powers of each like-termed polynomial together to find the answer.

In this example the powers areandwhich add to.

Therefore our answer is.

Example Question #4 :How To Multiply Polynomials In Pre Algebra

Possible Answers:

Correct answer:

Explanation:

When multiplying polynomials you add the powers of each like-termed polynomial together to find the answer.

In this example the powers areandwhich add to.

Therefore our answer is

Example Question #5 :How To Multiply Polynomials In Pre Algebra

Simplify the expression.

Possible Answers:

Correct answer:

Explanation:

To simplify, we need to multiply all terms together. It is easiest to re-order the expression and group like terms together.

Now we can simplify.

Example Question #6 :How To Multiply Polynomials In Pre Algebra

What issimplified?

Possible Answers:

Correct answer:

Explanation:

When multiplying polynomials you add the powers of each like-termed polynomial together so we add the powers of each like-termed variable to find the answer.

In this example the exponents areandso

Our answer is.

Example Question #7 :How To Multiply Polynomials In Pre Algebra

What issimplified?

Possible Answers:

Correct answer:

Explanation:

When multiplying polynomials, add the powers of each like termed polynomial together to find the answer.

In this example the variables are,andso

Our answer is.

Example Question #8 :How To Multiply Polynomials In Pre Algebra

Multiply the terms.

Possible Answers:

Correct answer:

Explanation:

Solve using the FOIL method. Don't forget to include the negative sign!

First:

Outside:

Inside:

Last:

Add together, and combine like terms.

Example Question #1 :How To Multiply Polynomials In Pre Algebra

What issimplified?

Possible Answers:

Correct answer:

Explanation:

When multiplying monomials with the same base, you simply add the exponents together.

In this example the monomials are,, andso.

Our answer is.

Example Question #10 :How To Multiply Polynomials In Pre Algebra

Simplify

Possible Answers:

Correct answer:

Explanation:

When multiplying polynomials you add the powers of each like-termed variable together.

In this example the variables are raised to theandsowill be the power ofin our answer.

Then we multiply the numbers in front of our variables to get.

Combine the number and our new variable to get the answer.

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