what is the value of the polynomial p(x)=5xsquare-4 at x=2.5?
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p(x) = 5x square -4
putting the value of x is 2.5,we get:
p(x) = 5 * (2.5)^2 - 4
= 5 * 6.25 - 4
= 31.25 - 4
= 27 . 25
putting the value of x is 2.5,we get:
p(x) = 5 * (2.5)^2 - 4
= 5 * 6.25 - 4
= 31.25 - 4
= 27 . 25
harish20056:
i also got the same answer but in the answer paper it shows 109by4
109 by 4 = 27.25
ok
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