SmarterEd

Aussie Maths & Science Teachers: Save your time with SmarterEd

Algebraic Techniques, SM-Bank 058

Simplify the following algebraic expressions, giving your answer in simplest form.

  1. \(5\times 4y\)  (1 mark)

  2. \(4m\times 3\)  (1 mark)

  3. \(2a\times 3b\times 4\)  (1 mark)

  4. \(4c\times 2b\times 5d\)  (1 mark)

Show Answers Only

a.    \(20y\)

b.    \(12m\)

c.    \(24ab\)

d.    \(40bcd\)

Show Worked Solution
a.    \(5\times 4y\)  \(=5\times 4\times y \)
    \(=20y\)

 

b.    \(4m\times 3\)  \(=4\times 3\times m \)
    \(=12m\)

 

c.    \(2a\times 3b\times 4\) \(=2\times 3\times 4\times a\times b \)
    \(=24ab\)

 

d.    \(4c\times 2b\times 5d\)  \(=4\times 2\times 5\times c\times b\times d \)
    \(=40bcd\)