Factoring Trinomials and the 'X' Method

Factoring Trinomials and the 'X' Method

Assessment

Interactive Video

Mathematics, Education

6th - 9th Grade

Hard

Created by

Amelia Wright

FREE Resource

The video tutorial focuses on factoring trinomials, specifically those in the form ax^2 + bx + c. It introduces a graphic organizer method using an 'X' to systematically factor trinomials by rewriting them as four-term expressions. The tutorial provides multiple examples, including handling negative numbers and special cases, to demonstrate the method's effectiveness. The video emphasizes the importance of identifying coefficients and constants and offers strategies for checking work.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the standard form of a trinomial?

ax^2 + c + bx

ax + bx^2 + c

ax^2 + bx + c

bx + ax^2 + c

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the trinomial ax^2 + bx + c, what does 'c' represent?

The sum of a and b

The coefficient of x

The constant term

The coefficient of x^2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'X' in the graphic organizer method?

To check the solution

To find the greatest common factor

To organize work for factoring

To solve equations

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using the 'X' method, what do you place at the top of the 'X'?

The product of b and c

The sum of b and c

The product of a and c

The sum of a and c

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example x^2 + 7x + 12, what are the two numbers that multiply to 12 and add to 7?

5 and 2

1 and 12

2 and 6

3 and 4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the factored form of x^2 + 7x + 12?

(x + 3)(x + 4)

(x + 5)(x + 2)

(x + 2)(x + 6)

(x + 1)(x + 12)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the trinomial 2x^2 + 5x + 3, what is the product of a and c?

6

3

5

10

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