Ch. 8: Lessons 1-2 Add/Subtract/Multiply Polynomials

Simplify:
5(3x+2)

• 3x+10
• 15x+10
• 15x-10
• 3x-10

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

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

What is the degree of the polynomial
 x²-2x+5

• 1
• 2
• 3
• 0

What is the above expression classified as?

• 4th degree Monomial
• Cubic Binomial
• CubicTrinomial
• 4th degree Polynomial

Find the difference
(4x²+ x) - (x²+ 2x)

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

Combine like terms to simplify:
 (5x + 2) + (4x + 5)

• 9x -7
• -9x-11
• 9x+7
• x+7

Simplify the expression.
-4(9 + 3x) - 4(x - 2)

• -16x-28
• -16x-44
• 20x - 12
• 30x - 9

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

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

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

Simplify the expression.
x³(2x²+3x)

• 2x⁵+3x⁴
• 2x⁶+3x³
• 5x⁹
• 5x