Question

if one of the zero of 2xsq+3x + k is 1/2 then find the value of k and the other zero

Answer 1

given one zero is 1/2 so we put this value in x of the equation:

2 (1/2) 2 + 3 ( 1/2) + k = 0

2* 1/4 + 3/2 + k = 0

1/2 + 3/2 + k = 0

4/2 + k = 0

2 + k = 0

k = -2

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