Question

EXERCISE 12.1
1. Get the algebraic expressions in the following cases using variables, constants and
arithmetic operations.
(1) Subtraction of z from y.
(ii) One-half of the sum of numbers x and y.
(ii) 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

Answer:

Step-by-step explanation:

i) y - z

ii) (x+y)/2

iii) z²

iv) pq/4

v) x² + y²

vi) 5 + 3mn

vii) 10 - yz

viii) ab - (a+b)

Answer 2

Answer:

1) y-z

2) x+y÷2

3) z*z

4) p*q÷1/4

5) x²+y²

6) 3*mn+5

7) 10-y*z

8) a*b-a+b

Step-by-step explanation:

Hope so its help you.