Question

EXERCISE - 2.2 .
1. Find the value of the polynomial 4x²- 5x+3, at
(i)x= 0 (ii)x=-1 (iii) x=2
1
(iv) x=1/2 ​

Answer 1

Step-by-step explanation:

(i)4×0²-5×0+3

4×0-0+3

0-0+3

0+3

=3

(ii)4×(-1)²-(5×-1)+3

4×-5x+1+3

-x+4

(iii)4×(2)²-(5×2)+3

4×4-10+3

16-7

9

(iv)4×(1/2)²-(5×1/2)+3

(4×1/4)-(5/2+3)

1-(5/2+6/2)

1-11/2

2-11/2

9/2

Answer 2

3, 2,9/2

l hope this answer is helpful for you ☺️