1/14/21 Polynomials (Add and Subtract)

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Tags

CCSS.HSA.APR.A.1

Find the sum.

(3- 2x + 2x²) + (4x -5 +3x²)

• 5x² + 6x - 2

• 2x² + 2x - 2

• 5x² +2x - 2

• -5x² + 11x - 4

Tags

CCSS.HSA.APR.A.1

Subtract the polynomials.

(2x + 5y) - (3x - 2y)

• -x + 3y

• -x + 7y

• 5x + 7y

• 7xy + 1xy

Tags

CCSS.HSA.APR.A.1

(x³-x²+4) - (3x³-2x²+3)

• -2x³-3x²+7
• -2x³+x²+1
• 2x³-3x³-1
• 4x³-3x²+7

Tags

CCSS.HSA.APR.A.1

What is the standard form of the polynomial,
 9x² + 5x + 27 + 2x³

• 27 + 5x + 9x² + 2x³
• 9x² + 5x + 2x³ + 27
• 9x² + 5x + 27 + 2x³
• 2x³ + 9x² + 5x + 27

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the standard form of the polynomial,
7x - 125 - 6x⁴ + 14x²

• 125 + 7x - 14x² +6x⁴
• 6x⁴  -14x² - 7x +125
• 125 + 14x² + 7x  - 6x⁴
• -6x⁴+ 14x² + 7x - 125

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Simplify each expression.

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

Tags

CCSS.HSA.APR.A.1

What is the perimeter of the rectangle?

• x²+8x-5

• 2x²+16x-10

• 2x²+10x-8

• 6x-2

Tags

CCSS.HSA.APR.A.1

What is the perimeter of the triangle shown?

• 9r²+r-5
• 9r⁴+r²-4
• 9r²-r+4
• 9r²+r-4

Tags

CCSS.HSA.APR.A.1

What is the leading coefficient of this polynomial? (it is not in standard form)

 $10x^2+2x^7-1$  

• 2

• 10

• -1

• 1