7.1-7.3 Practice

Add the following polynomials:
(x³-2x²+3)+(2x³+3x²-1)

• 3x³-2x²+3x+2
• 3x³+x²+2
• 3x³-5x²-2
• 3x³-x²+1

Add the following polynomials
(x³-6x²+3)+(3x³+4x-1)

• 4x³-2x²+2

• 4x³-6x²+4x+2

• -2x³+2x+2

• 4x³-2x²-2

Subtract the following polynomials:
(3x²-3x+2)-(x²-2x+1)

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

Subtract the following polynomials:
(2x³+6x²+4x-2)-(x³+4x²-x)

• x³+2x²+5x-2
• x³+10x²+3x-2
• 3x³+2x+4x-3
• 3x³+10x²-3x-2

What is the GCF in this polynomial?
3x²+6x-18

• 2
• 3
• 6
• 18

What is the GCF of this polynomial?
2x³-8x²+3x

• 2
• x²
• 2x
• x

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

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

Find the product:
2x( -2x - 3)

• -4x - 3
• x² - 3
• -4x² - 6x
• -4x - 6

Use the FOIL method to multiply:
(x +2)(x + 3)

• x² + 5x + 6
• x² + x + 6
• x² + 5x + 5
• x² + 6x + 6

What is the Perimeter?

• 3x - 3 inches
• 6x - 6 inches
• 3x - 6 inches
• 6x - 3 inches