Multiplying and dividing monomials

Multiplying and dividing monomials

In this section, we will practice multiplying and dividing polynomials. Furthermore, we will use polynomial multiplication and division to solve unknowns such as, side length, and surface area, of polygons.

Lessons

  • 1.
    Model and calculate each multiplication.
    a)
    (6x)(2x)\left( {6x} \right)\left( {2x} \right)

    b)
    (4y)(3y)\left( { - 4y} \right)\left( {3y} \right)

    c)
    (x)(5x)\left( x \right)\left( { - 5x} \right)

    d)
    (2x)(7x)\left( { - 2x} \right)\left( {7x} \right)


  • 2.
    Multiply.
    a)
    (x)(4x)\left( x \right)\left( { - 4x} \right)

    b)
    (5x)(3x)\left( {5x} \right)\left( {3x} \right)

    c)
    (2x)(6x)\left( { - 2x} \right)\left( { - 6x} \right)

    d)
    (3.1x)(4x)\left( { - 3.1x} \right)\left( { - 4x} \right)

    e)
    (34x)(16x)\left( { - \frac{3}{4}x} \right)\left( {16x} \right)

    f)
    (8x)(2.3y)\left( { - 8x} \right)\left( {2.3y} \right)


  • 3.
    Divide.
    a)
    144x6\frac{{144x}}{6}

    b)
    84xy4xy\frac{{84xy}}{{4xy}}

    c)
    9x2x\frac{{9{x^2}}}{x}

    d)
    18xy3x\frac{{18xy}}{{3x}}

    e)
    9.6p28p\frac{9.6{p^2}}{ - 8p}

    f)
    25x5x\frac{{ - 25x}}{{ - 5x}}


  • 4.
    Find the missing dimension.
    a)

    Dividing polynomials to find unknown

    b)

    find the missing length of a triangle by multiplying and dividing polynomials


Do better in math today
Don't just watch, practice makes perfect.