Question

4. Find the value of 5x2 – 3x + 7 when
(i) x = 0,
(ii) x = 3,

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Answer 1

Answer:

( ɪ) 5*(0)^2 - 3*0 + 7

5*0 - 3 * 0 + 7

0 - 0 + 7

7

(ɪɪ) 5*(3)^2 - 3 * 3 + 7

5 * 9 - 9 + 7

45 - 9 + 7

36 + 7

43

Answer 2

Answer:

Step-by-step explanation:

i) 5*0*2 -3*0+7

=7

ii)5*3*2-3*3+7

30-9+7

21+7

=28