eMath Unit 7 Polynomial Review

Which polynomial is written in standard form?

• -3x + 8x² + 9x³ - 11
• 9x³ + 8x² - 3x - 11
• 8x² + 9x³ -11 - 3x
• -11 - 3x + 8x² + 9x³

Tags

CCSS.7.EE.A.2

Check all of the polynomials below 

that are in Standard Form. 

•  $4x^2+12x-13x^3$  

•  $5-3x$  

•  $2x^4-12x^2+5x-9$  

•  $5x^5+4x^{\text{4}}+12x^3-23x+15$  

The following polynomial is written in standard form:
7x³ - 11x² + 8x - 5

• True
• False

Simplify:

(2x²+4x+10) - (x²-3x+12)

• x²+x+22

• x²+7x-2

• x²+7x+22

• x²+x-2

Tags

CCSS.HSA.APR.A.1

Simplify:

(r + 7)(r − 7)

• r ² − 49

• r ² + 14

• r ² − 7r + 49

Simplify:

(5x + x² - 4) - (4x - x² + 6)

• 2x² + x + 2

• x + 2

• 2x² + x - 10

• x - 10

Tags

CCSS.HSA.APR.A.1

Simplify:

-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴

Simplify:

(p − 8)²

• p ² − 16p − 64

• p ² + 16p + 64

• p ² − 16p − 8

• p ² − 16p + 64

Simplify:

5x(4x³ + 8)

• 9x⁴ + 40x

• 20x⁴ + 40x

• 20x³ + 40x

• 9x³ + 40x

Simplify:

(3x – 1)(x + 5)

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5