Find the value of the polynomial 2y²-3y-4 at (i) y=5 (ii)y=-2
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Answered by
0
Answer:
(i) = 31
(ii) = 10
Step-by-step explanation:
Hope it will help you
Answered by
0
Answer:
(i) 31
(ii) 10
Step-by-step explanation:
(i) 2y²-3y-4
= 2x25 - 3x5 - 4(when K=5)
= 50 - 15 - 4 =50 - 19 = 31
(ii) 2y²-3y-4
= 2x4 + 3x2 - 4(when K= -2)
= 8 + 6 - 4 = 8 + 2 = 10
Hope it's helpful for you
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