Question

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations.
(i) Subtraction of z from y.
(ii) One-half of the sum of numbers x and y.
(iii) The number z multiplied by itself.
(iv) One-fourth of the product of numbers p and q.
(v) Numbers x and y both squared and added.
(vi) Number 5 added to three times the product of numbers m and n.
(vii) Product of numbers y and z subtracted from 10.
(viii) Sum of numbers a and b subtracted from their product.

Answer 1

(i) y-z
(ii) $\frac{x+y}{2}$
(iii) z2
(iv) $\frac{pq}{4}$
(v) x2+y2
(vi) 3mn+5
(vii) 10-yz
(viii) ab-(a+b)