Adding and Subtracting and Multiplying Polynomials

Multiply

(x + 5)²

• x² + 25

• x² - 25

• x² + 10x + 25

• x² - 10x + 25

Simplify:

(x - 7)(x + 7)

• x² + 7x - 49

• x² - 7x + 49

• x² - 49

• x² + 49

How confident do you feel your math skills are on ADDING polynomials?

• F Level 0: You don’t understand what we are talking about.

• D Level 1: You can follow the explanation as it is done in front of you or you can do the same problems by yourself at a later time.

• C Level 3: You can do a similar problem by yourself.

• B Level 4: You can apply the same concept to a new problem of the same topic.

• A Level 5: You can recognize what type of problem it is and use the concept to solve the problem.

How confident do you feel your math skills are on MULTIPLYING polynomials?

• F Level 0: You don’t understand what we are talking about.

• D Level 1: You can follow the explanation as it is done in front of you or you can do the same problems by yourself at a later time.

• C Level 3: You can do a similar problem by yourself.

• B Level 4: You can apply the same concept to a new problem of the same topic.

• A Level 5: You can recognize what type of problem it is and use the concept to solve the problem.

How confident do you feel your math skills are on SUBTRACTING polynomials?

• Level 0: You don’t understand what we are talking about.

• Level 1: You can follow the explanation as it is done in front of you or you can do the same problems by yourself at a later time.

• Level 3: You can do a similar problem by yourself.

• Level 4: You can apply the same concept to a new problem of the same topic.

• Level 5: You can recognize what type of problem it is and use the concept to solve the problem.

Add the polynomials.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

Add the following polynomials:

(x³ + 6x - 5) + (-6x² + 4x + 3)

• x³ - 6x² +10x - 8

• x³ - 6x² +10x + 2

• x³ - 6x² +10x - 2

• x³ + 4x - 2

What is the the standard form for the following expression?
-6x + 4x² - 13

• -13 - 6x + 4x²

• 4x²-6x - 13

• -13 + 4x² - 6x

• 4x² - 13 - 6x

(4x²+ x) - (x²+ 2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Multiply the following polynomial by the monomial:

3x(4x² - x - 3)

• 12x² - 3x - 9

• 7x³ - 3x² - 6x

• 12x³ - 3x² - 9x

• 12x³ - 3x² - 6