Factoring polynomials to multiply two rational expressions

Factoring polynomials to multiply two rational expressions

Assessment

Interactive Video

Mathematics, Business

11th Grade - University

Hard

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The video tutorial covers the process of factoring trinomials, starting with an introduction to the standard quadratic form. The teacher explains how to identify numbers that multiply and add to specific values, using both a long method and a shorter box method. The tutorial also discusses simplifying expressions and recognizing patterns in factoring. The goal is to help students understand the process and apply it to different problems.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the standard form of a quadratic equation?

X^2 + BX + C

AX^2 + BX + C

X^2 - BX + C

AX^2 - BX - C

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two numbers multiply to give -6 and add to give -5?

-5 and 1

-6 and 1

-3 and 2

-2 and 3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the box method, what are the side lengths for X^2?

X and -6

X and 1

X and 2

X and X

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the factored form of X^2 - 5X - 6 using the box method?

X + 1 * X - 6

X - 1 * X + 6

X + 2 * X - 3

X - 2 * X + 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When A is 1, what is the product of the factors for X^2 + 3X + 2?

X + 2 * X + 1

X + 3 * X + 2

X + 1 * X + 3

X + 2 * X + 3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What pattern is observed when A is equal to 1 in factoring?

The factors are always positive.

The factors are always negative.

The factors are the coefficients of the terms.

The factors are the same as the terms in the expression.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final expression after canceling common terms in the numerator and denominator?

X + 6 / 4X^5

X + 6 / X^5

X - 6 / X^5

X - 6 / 4X^5