Adding/Subtract and Multiplying Polynomials

Find the sum.

(2x² + 5x − 7) + ( 3 − 4x² + 6x)

• 2x² + 3x +1

• −2x² − 11x −4

• 2x²+ 5x −7

• −2x² + 11x −4

Find the difference.

(3 − 2x + 2x²) − (4x − 5 +3x²)

• x² + 6x + 8

• 2x² + 5x − 7

• −x² -6x + 8

• −2x² + 11x − 4

Find the product:

(x + 7)²

• x² + 49

• x² + 7x + 7

• 7x² + x + 7

• x² + 14x + 49

Find the product:
(3x + 2)(2x + 4)

• 6x² + 16x + 8
• 5x² +11x + 6
• 5x² + 16x + 6
• 6x² + 11x + 8

Tags

CCSS.HSA.APR.A.1

Find the product:

(x + 12) (x − 12)

• x² − 144

• x² + 144

• x² + 12x − 144

• x² − 12x + 144

Find the product:

(3x – 1)(x + 5)

• 3x² + 4x + 5

• 3x² + 4x − 5

• 3x² + 14x + 5

• 3x² + 14x − 5

(3x − 6)(7x + 7)

• 21x² − 63x + 42
• 21x² − 21x − 42
• 21x² − 42
• 21x² + 63x + 42

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