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Find the minimum value of
$y = 5 x^{2} - 2 x + 1 .$

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Correct option is C

For maximum or minimum value, dydx=05(2 x)-2(1)+0=0x=15Now at x=15,d2ydx2=10 which is positive so minima at x=15.Therefore, ymin=5152-215+1=45

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Find the minimum value of y=5x2-2x+1.

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Find the minimum value of
$y = 5 x^{2} - 2 x + 1 .$