Lesson 3 Practice Questions

  1. Combining Polynomials. a) 2x+9 b) 14x-5 c) -48x^2+44x+14
  2. Adding, Subtracting, Multiplying Polynomials. a) 9x^2+5y-x b) -9x^2+7x+5y c) -29x-8 d) 4x^2-4x+1 e) 4x^2-1 f) 16x-3
  3. Spot the Error.

    -3x^2-4____b

    -3x^2+12x__a

    -3x^2-12x__e

    3x^2-12x____c

    -3x+12x___d

  4. Number of Terms.

    Number of Terms __ Degree

    i) 2 _______________ 2

    ii) 4 _______________ 2

    iii) 6 _______________ 3

    iv) 12 ______________ 6

  5. Product of Polynomials. a) x^3-x^2-x+10 b) 4x^2+12x+9 c) 8x^3+36x^2+54x+27
  6. Substitution of Expressions. a) u^4-3u^2+2 b) u^2-u
  7. Strange Yard Design. a) 30x+6 b) X c) \frac{1}{2} d) \frac{1}{2}(36x^2-9x-10)