Question

Get the algebraic expressions in the following cases using variables, constants and arithmetic

operations. (3)

1. The number X multiplied by itself.

2. Numbers a and b both squared and added.

3. Product of numbers m and n subtracted from 20.​

Answer 1

Answer:

Solution (i): y\ -\ zy − z

Solution (ii): \frac{1}{2}\left(x+y\right)\ or\ \frac{x\ +\ y}{2}

2

1

(x+y) or

2

x + y

Solution (iii): z\times z\ =\ z^2z×z = z

2

Solution (iv): \frac{1}{4}pq\ or\ \frac{pq}{4}

4

1

pq or

4

pq

Solution (v): ^{x^2\ +\ y^2}

x

2

+ y

2

Solution (vi): 3mn\ +\ 53mn + 5

Solution (vii): 10\ -\ yz10 − yz

Solution (viii) ab\ -\ \left(a+b\right)ab − (a+b)