IM3: Add/Subtract/Multiply Polynomials Quiz

When adding or subtracting polynomials, the degree of the answer must always be the _______ the highest degree in the polynomials you're adding or subtracting.

• product of

• sum of

• same as

• difference of

When multiplying polynomials, the degree of the answer must always be the _______ the highest degrees in the polynomials you're multiplying.

• sum of

• same as

• different than

• product of

The degree of the answer to (2x³ + 3x - 6) - (2x² + 4x - 5) is ....

• 3

• 5

• 1

• 6

The degree of (x²-x+1)(x³+2) is

• 3

• 2

• 5

• 6

The degree of the answer to (5x² - 2x + 10) - (5x³ + 4x² + x - 3) is -1.

• True

• False

 $\left(3x^2\ +\ 3x\ +\ 1\right)\ +\ \left(2x^{3\ }+2x\ +\ 9\right)$   What strategy should you use?

• Combine like terms

• distribute the negative

• Punnett Square 

• FOIL

Tags

CCSS.HSA.APR.A.1

 $(5x^4-3x^2+4)+(6x^3-4x^2-7)=$  

•  $5x^4+6x^3-7x^2-3$  

•  $11x^7-7x^2-3$  

•  $5x^4+6x^3+7x^2+3$  

•  $5x^4+6x^3+x^2+11$  

Tags

CCSS.HSA.APR.A.1

Solve (x³)(x³ - x - 2)

• 2x³ - x - 2

• x⁶ - x⁴ - 2x³

• x⁹ - 3x³- 2x³

• x - 2

Tags

CCSS.HSA.APR.A.1

(5x³ - 7x² + 3x - 4) - (8x³ + 2x² + 3x - 7)

• -3x³ - 9x² + 3

• 13x³ - 9x² + 3

• 13x³ - 5x² + 6x - 11

• -3x³ - 5x² + 6x - 11

Tags

CCSS.HSA.APR.A.1

(2x⁵ - x + 5) + (3x⁵ - x - 6)

• 5x⁵ - 2x + 11

• 5x⁵ - 1

• 5x⁵ + 11

• 5x⁵ - 2x -1

Tags

CCSS.HSA.APR.A.1