Poly #4 Addition and Subtraction of Polynomials

Identify the mistake in the problem and determine the correct solution.

• $don't\ add\ \exp onents;\ 5x^3-6x^2+3x+3$

• $don't\ add\ \exp onents;\ 5x^3-6x^2+7x+5$

• $don't\ add\ \exp onents;\ x^3-6x^2+3x+3$

• $The\ person\ worked\ the\ problem\ correctly.\$

Identify the mistake in the problem and then determine the correct solution.

• $didn't\ distribute\ the\ negative\ properly;\ 4x^3-4x^2+8x-4$

• $didn't\ distribute\ the\ negative\ properly;\ 4x^3+4x^2-8x-4$

• $didn't\ distribute\ the\ negative\ properly;\ 4x^3-4x^2+24x-4$

• $I\ think\ the\ person\ worked\ the\ problem\ correctly.\$

Write a polynomial expression P(x) to represent the perimeter of the rectangle.

• $8x^3-4x^2-2x+2$

• $8x^3+4x^2+2x+2$

• $8x^6-4x^4-2x^2+2$

• $8x^6+4x^4+2x^2+2$

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSG.GPE.B.7

Simplify the following expression.

• $-7k^4-11k^2+6$

• $-7k^8-11k^4+6$

• $-k^4+17k^2-22$

• $-k^8+17k^4-22$

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Simplify each expression.

• $14a^5+14a^4-10a^3-16a$

• $14a^5+14a^4-10a^3-4a$

• $10a^5+14a^4-10a^3-16a$

• $14a^5-14a^4+10a^3+16a$

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Simplify each expression.

• $-2u^2-8v^2+w^2-6uw-8w$

• $2u^2+8v^2-w^2+6uw+8w$

• $-2u^2-4v^2+2w^2-6uw-8w$

• $-2u^2-8v^4+w^4-6uw-8w$

Simplify the following expression.

• $8x^4y^4-6x^4y^3-10xy^3-7y^4$

• $-8x^4y^4+6x^4y^3+10xy^3+7y^4$

• $8x^8y^8-6x^8y^6-10x^2y^6-7y^8$

• $-8x^8y^8+6x^8y^6+10x^2y^6+7y^8$

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

• $P\left(t\right)=5t^2+3t+85\ and\ when\ 11\ electronics\ are\ made\ the\ profit\ is\ 723\ dollars.\$

• $P\left(t\right)=4t^3+8t^2+3t+85\ and\ when\ 11\ electronics\ are\ made\ the\ profit\ is\ 6410\ dollars.\$

• $P\left(t\right)=2t^2+385\ \ and\ when\ 11\ electronics\ are\ made\ the\ profit\ is\ 627\ dollars.\$

• $P\left(t\right)=5t^2-3t-85\ and\ when\ 11\ electronics\ are\ made\ the\ profit\ is\ 487\ dollars.\$

• $g\left(x\right)=10+7x^2\ and\ g\left(4\right)=122$

• $g\left(x\right)=10+12x^2\ and\ g\left(4\right)=202$

• $g\left(x\right)=10+17x^2\ and\ g\left(4\right)=282$

• $g\left(x\right)=10-5x^2\ and\ g\left(4\right)=70$

• $c\left(n\right)=.75n^2+8n+16\ and\ the\ \cos t\ to\ produce\ and\ package\ 150\ toys\ is\ 18,091.\$

• $c\left(n\right)=.75n^2-8n-16\ and\ the\ \cos t\ to\ produce\ and\ package\ 150\ toys\ is\ 10,091.\$

• $c\left(n\right)=1.75n^2+2n+8\ and\ the\ \cos t\ to\ produce\ and\ package\ 150\ toys\ is\ 18,091.\$

• $c\left(n\right)=.75n^2-2n-8\ and\ the\ \cos t\ to\ produce\ and\ package\ 150\ toys\ is\ 8,091.\$