CW 3.5_Polynomials Review

Which of the following polynomials is written in standard form?

• y = 7x³ − 5x² + 2x + 7

• y = 8 − 4x² + 3x + 2x³

• y = 10x² − 5x⁵ + 2x + 20

• y = 1 + 2x² − 3x³ + 4x⁴

Is the leading coefficient for the polynomial in the image positive or negative?

(a)  

• Negative

• Positive
• Cannot be determined

What is the leading coefficient for the polynomial given by:

y = 3x² + 9x⁵ − 4 + 10x⁸ + 2x⁹ ?

Please type the number only.

Mathematical Equivalence

ON

Tags

CCSS.6.EE.A.2B

Rewrite the following polynomial in standard form:

 -9x² - 5x + 27 - 2x³

Mathematical Equivalence

OFF

Add the following polynomials.

(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

Please type your answer only. The answer should be in standara form.

Mathematical Equivalence

OFF

Tags

CCSS.HSA.APR.A.1

(5x⁴ - 4x³ - 2x² + x - 19) - (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ - 9x³ - 10x² - 24
• 4x⁴ - 9x³ - 10x² - 2x - 24
• 4x⁴ - 9x³ - 10x² + 2x - 24
• -4x⁴ - 9x³ - 10x² - 24

Tags

CCSS.HSA.APR.A.1

Simplify the expression.
-3x²( 7x² - x + 4)

Please type the answer in standard and simplifed form.

Mathematical Equivalence

OFF

Tags

CCSS.HSA.APR.A.1

Find the product:
5xy(6x - y)

• 11x² - y²
• 30x² + y²
• 30x²y - 5xy²
• 11x²y + 5x²y²

Tags

CCSS.HSA.APR.A.1

Find the following product:

(4a + 2)(6a² − a + 2)

Please type the answer only. Your answer should be in standard and simplified form.

Mathematical Equivalence

OFF

Tags

CCSS.HSA.APR.A.1