Question

7
EXERCISE 12.1
1. 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

Answer:

1 ) ans . 5z-6y=0

I hope it will help you

Answer 2

Answer:

1. z-y=0

2. x+y/2

3. z×z

4. p*q/4

5. (x+y)(x*y)

6. 5+3(m*n)

7. y*z -10

8. (a+b)-(a*b)